/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2018 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */

/** ****/ (function(modules) { // webpackBootstrap
/** ****/ 	// The module cache
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/** **********************************************************************/
/** ****/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {

    "use strict";

    let pdfjsWebApp = void 0;
    let pdfjsWebAppOptions = void 0;
    {
      pdfjsWebApp = __webpack_require__(1);
      pdfjsWebAppOptions = __webpack_require__(12);
    }
    
    {
      __webpack_require__(38);
    }
    
    {
      __webpack_require__(43);
    }
    function getViewerConfiguration() {
      return {
        appContainer: document.body,
        mainContainer: document.getElementById('viewerContainer'),
        viewerContainer: document.getElementById('viewer'),
        eventBus: null,
        toolbar: {
          container: document.getElementById('toolbarViewer'),
          numPages: document.getElementById('numPages'),
          pageNumber: document.getElementById('pageNumber'),
          scaleSelectContainer: document.getElementById('scaleSelectContainer'),
          scaleSelect: document.getElementById('scaleSelect'),
          customScaleOption: document.getElementById('customScaleOption'),
          previous: document.getElementById('previous'),
          next: document.getElementById('next'),
          zoomIn: document.getElementById('zoomIn'),
          zoomOut: document.getElementById('zoomOut'),
          viewFind: document.getElementById('viewFind'),
          openFile: document.getElementById('openFile'),
          print: document.getElementById('print'),
          presentationModeButton: document.getElementById('presentationMode'),
          download: document.getElementById('download'),
          viewBookmark: document.getElementById('viewBookmark'),
        },
        secondaryToolbar: {
          toolbar: document.getElementById('secondaryToolbar'),
          toggleButton: document.getElementById('secondaryToolbarToggle'),
          toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
          presentationModeButton: document.getElementById('secondaryPresentationMode'),
          openFileButton: document.getElementById('secondaryOpenFile'),
          printButton: document.getElementById('secondaryPrint'),
          downloadButton: document.getElementById('secondaryDownload'),
          viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
          firstPageButton: document.getElementById('firstPage'),
          lastPageButton: document.getElementById('lastPage'),
          pageRotateCwButton: document.getElementById('pageRotateCw'),
          pageRotateCcwButton: document.getElementById('pageRotateCcw'),
          cursorSelectToolButton: document.getElementById('cursorSelectTool'),
          cursorHandToolButton: document.getElementById('cursorHandTool'),
          scrollVerticalButton: document.getElementById('scrollVertical'),
          scrollHorizontalButton: document.getElementById('scrollHorizontal'),
          scrollWrappedButton: document.getElementById('scrollWrapped'),
          spreadNoneButton: document.getElementById('spreadNone'),
          spreadOddButton: document.getElementById('spreadOdd'),
          spreadEvenButton: document.getElementById('spreadEven'),
          documentPropertiesButton: document.getElementById('documentProperties'),
        },
        fullscreen: {
          contextFirstPage: document.getElementById('contextFirstPage'),
          contextLastPage: document.getElementById('contextLastPage'),
          contextPageRotateCw: document.getElementById('contextPageRotateCw'),
          contextPageRotateCcw: document.getElementById('contextPageRotateCcw'),
        },
        sidebar: {
          outerContainer: document.getElementById('outerContainer'),
          viewerContainer: document.getElementById('viewerContainer'),
          toggleButton: document.getElementById('sidebarToggle'),
          thumbnailButton: document.getElementById('viewThumbnail'),
          outlineButton: document.getElementById('viewOutline'),
          attachmentsButton: document.getElementById('viewAttachments'),
          thumbnailView: document.getElementById('thumbnailView'),
          outlineView: document.getElementById('outlineView'),
          attachmentsView: document.getElementById('attachmentsView'),
        },
        sidebarResizer: {
          outerContainer: document.getElementById('outerContainer'),
          resizer: document.getElementById('sidebarResizer'),
        },
        findBar: {
          bar: document.getElementById('findbar'),
          toggleButton: document.getElementById('viewFind'),
          findField: document.getElementById('findInput'),
          highlightAllCheckbox: document.getElementById('findHighlightAll'),
          caseSensitiveCheckbox: document.getElementById('findMatchCase'),
          entireWordCheckbox: document.getElementById('findEntireWord'),
          findMsg: document.getElementById('findMsg'),
          findResultsCount: document.getElementById('findResultsCount'),
          findPreviousButton: document.getElementById('findPrevious'),
          findNextButton: document.getElementById('findNext'),
        },
        passwordOverlay: {
          overlayName: 'passwordOverlay',
          container: document.getElementById('passwordOverlay'),
          label: document.getElementById('passwordText'),
          input: document.getElementById('password'),
          submitButton: document.getElementById('passwordSubmit'),
          cancelButton: document.getElementById('passwordCancel'),
        },
        documentProperties: {
          overlayName: 'documentPropertiesOverlay',
          container: document.getElementById('documentPropertiesOverlay'),
          closeButton: document.getElementById('documentPropertiesClose'),
          fields: {
            'fileName': document.getElementById('fileNameField'),
            'fileSize': document.getElementById('fileSizeField'),
            'title': document.getElementById('titleField'),
            'author': document.getElementById('authorField'),
            'subject': document.getElementById('subjectField'),
            'keywords': document.getElementById('keywordsField'),
            'creationDate': document.getElementById('creationDateField'),
            'modificationDate': document.getElementById('modificationDateField'),
            'creator': document.getElementById('creatorField'),
            'producer': document.getElementById('producerField'),
            'version': document.getElementById('versionField'),
            'pageCount': document.getElementById('pageCountField'),
            'pageSize': document.getElementById('pageSizeField'),
            'linearized': document.getElementById('linearizedField'),
          },
        },
        errorWrapper: {
          container: document.getElementById('errorWrapper'),
          errorMessage: document.getElementById('errorMessage'),
          closeButton: document.getElementById('errorClose'),
          errorMoreInfo: document.getElementById('errorMoreInfo'),
          moreInfoButton: document.getElementById('errorShowMore'),
          lessInfoButton: document.getElementById('errorShowLess'),
        },
        printContainer: document.getElementById('printContainer'),
        openFileInputName: 'fileInput',
        debuggerScriptPath: './debugger.js',
      };
    }
    function webViewerLoad() {
      let config = getViewerConfiguration();
      window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
      window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
      pdfjsWebApp.PDFViewerApplication.run(config);
    }
    if (document.readyState === 'interactive' || document.readyState === 'complete') {
      webViewerLoad();
    } else {
      document.addEventListener('DOMContentLoaded', webViewerLoad, true);
    }

    /***/ }),
  /* 1 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _slicedToArray = function () { function sliceIterator(arr, i) { let _arr = []; let _n = true; let _d = false; let _e; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    let _pdf_cursor_tools = __webpack_require__(8);

    let _pdf_rendering_queue = __webpack_require__(10);

    let _pdf_sidebar = __webpack_require__(11);

    let _app_options = __webpack_require__(12);

    let _dom_events = __webpack_require__(14);

    let _overlay_manager = __webpack_require__(15);

    let _password_prompt = __webpack_require__(16);

    let _pdf_attachment_viewer = __webpack_require__(17);

    let _pdf_document_properties = __webpack_require__(18);

    let _pdf_find_bar = __webpack_require__(19);

    let _pdf_find_controller = __webpack_require__(20);

    let _pdf_history = __webpack_require__(22);

    let _pdf_link_service = __webpack_require__(23);

    let _pdf_outline_viewer = __webpack_require__(24);

    let _pdf_presentation_mode = __webpack_require__(25);

    let _pdf_sidebar_resizer = __webpack_require__(26);

    let _pdf_thumbnail_viewer = __webpack_require__(27);

    let _pdf_viewer = __webpack_require__(29);

    let _secondary_toolbar = __webpack_require__(34);

    let _toolbar = __webpack_require__(36);

    let _view_history = __webpack_require__(37);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    let DEFAULT_SCALE_DELTA = 1.1;
    let DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
    let FORCE_PAGES_LOADED_TIMEOUT = 10000;
    let DefaultExternalServices = {
      updateFindControlState: function updateFindControlState(data) {},
      updateFindMatchesCount: function updateFindMatchesCount(data) {},
      initPassiveLoading: function initPassiveLoading(callbacks) {},
      fallback: function fallback(data, callback) {},
      reportTelemetry: function reportTelemetry(data) {},
      createDownloadManager: function createDownloadManager(options) {
        throw new Error('Not implemented: createDownloadManager');
      },
      createPreferences: function createPreferences() {
        throw new Error('Not implemented: createPreferences');
      },
      createL10n: function createL10n(options) {
        throw new Error('Not implemented: createL10n');
      },

      supportsIntegratedFind: false,
      supportsDocumentFonts: true,
      supportsDocumentColors: true,
      supportedMouseWheelZoomModifierKeys: {
        ctrlKey: true,
        metaKey: true,
      },
    };
    let PDFViewerApplication = {
      initialBookmark: document.location.hash.substring(1),
      initialized: false,
      fellback: false,
      appConfig: null,
      pdfDocument: null,
      pdfLoadingTask: null,
      printService: null,
      pdfViewer: null,
      pdfThumbnailViewer: null,
      pdfRenderingQueue: null,
      pdfPresentationMode: null,
      pdfDocumentProperties: null,
      pdfLinkService: null,
      pdfHistory: null,
      pdfSidebar: null,
      pdfSidebarResizer: null,
      pdfOutlineViewer: null,
      pdfAttachmentViewer: null,
      pdfCursorTools: null,
      store: null,
      downloadManager: null,
      overlayManager: null,
      preferences: null,
      toolbar: null,
      secondaryToolbar: null,
      eventBus: null,
      l10n: null,
      isInitialViewSet: false,
      downloadComplete: false,
      isViewerEmbedded: window.parent !== window,
      url: '',
      baseUrl: '',
      externalServices: DefaultExternalServices,
      _boundEvents: {},
      contentDispositionFilename: null,
      initialize: function () {
        let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee(appConfig) {
          let _this = this;

          let appContainer;
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
              case 0:
                this.preferences = this.externalServices.createPreferences();
                this.appConfig = appConfig;
                _context.next = 4;
                return this._readPreferences();

              case 4:
                _context.next = 6;
                return this._parseHashParameters();

              case 6:
                _context.next = 8;
                return this._initializeL10n();

              case 8:
                if (this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                  _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP);
                }
                _context.next = 11;
                return this._initializeViewerComponents();

              case 11:
                this.bindEvents();
                this.bindWindowEvents();
                appContainer = appConfig.appContainer || document.documentElement;

                this.l10n.translate(appContainer).then(function () {
                  _this.eventBus.dispatch('localized', { source: _this, });
                });
                this.initialized = true;

              case 16:
              case 'end':
                return _context.stop();
              }
            }
          }, _callee, this);
        }));

        function initialize(_x) {
          return _ref.apply(this, arguments);
        }

        return initialize;
      }(),
      _readPreferences: function () {
        let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2() {
          let OVERRIDES, prefs, name;
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
              case 0:
                OVERRIDES = {
                  disableFontFace: true,
                  disableRange: true,
                  disableStream: true,
                  textLayerMode: _ui_utils.TextLayerMode.DISABLE,
                };
                _context2.prev = 1;
                _context2.next = 4;
                return this.preferences.getAll();

              case 4:
                prefs = _context2.sent;
                _context2.t0 = _regenerator2.default.keys(prefs);

              case 6:
                if ((_context2.t1 = _context2.t0()).done) {
                  _context2.next = 13;
                  break;
                }

                name = _context2.t1.value;

                if (!(name in OVERRIDES && _app_options.AppOptions.get(name) === OVERRIDES[name])) {
                  _context2.next = 10;
                  break;
                }

                return _context2.abrupt('continue', 6);

              case 10:
                _app_options.AppOptions.set(name, prefs[name]);
                _context2.next = 6;
                break;

              case 13:
                _context2.next = 17;
                break;

              case 15:
                _context2.prev = 15;
                _context2.t2 = _context2['catch'](1);

              case 17:
              case 'end':
                return _context2.stop();
              }
            }
          }, _callee2, this, [[1, 15,],]);
        }));

        function _readPreferences() {
          return _ref2.apply(this, arguments);
        }

        return _readPreferences;
      }(),
      _parseHashParameters: function () {
        let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3() {
          let waitOn, hash, hashParams, viewer, enabled;
          return _regenerator2.default.wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
              case 0:
                if (_app_options.AppOptions.get('pdfBugEnabled')) {
                  _context3.next = 2;
                  break;
                }

                return _context3.abrupt('return');

              case 2:
                waitOn = [];
                hash = document.location.hash.substring(1);
                hashParams = (0, _ui_utils.parseQueryString)(hash);

                if ('disableworker' in hashParams && hashParams['disableworker'] === 'true') {
                  waitOn.push(loadFakeWorker());
                }
                if ('disablerange' in hashParams) {
                  _app_options.AppOptions.set('disableRange', hashParams['disablerange'] === 'true');
                }
                if ('disablestream' in hashParams) {
                  _app_options.AppOptions.set('disableStream', hashParams['disablestream'] === 'true');
                }
                if ('disableautofetch' in hashParams) {
                  _app_options.AppOptions.set('disableAutoFetch', hashParams['disableautofetch'] === 'true');
                }
                if ('disablefontface' in hashParams) {
                  _app_options.AppOptions.set('disableFontFace', hashParams['disablefontface'] === 'true');
                }
                if ('disablehistory' in hashParams) {
                  _app_options.AppOptions.set('disableHistory', hashParams['disablehistory'] === 'true');
                }
                if ('webgl' in hashParams) {
                  _app_options.AppOptions.set('enableWebGL', hashParams['webgl'] === 'true');
                }
                if ('useonlycsszoom' in hashParams) {
                  _app_options.AppOptions.set('useOnlyCssZoom', hashParams['useonlycsszoom'] === 'true');
                }
                if ('verbosity' in hashParams) {
                  _app_options.AppOptions.set('verbosity', hashParams['verbosity'] | 0);
                }

                if (!('textlayer' in hashParams)) {
                  _context3.next = 23;
                  break;
                }

                _context3.t0 = hashParams['textlayer'];
                _context3.next = _context3.t0 === 'off' ? 18 : _context3.t0 === 'visible' ? 20 : _context3.t0 === 'shadow' ? 20 : _context3.t0 === 'hover' ? 20 : 23;
                break;

              case 18:
                _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE);
                return _context3.abrupt('break', 23);

              case 20:
                viewer = this.appConfig.viewerContainer;

                viewer.classList.add('textLayer-' + hashParams['textlayer']);
                return _context3.abrupt('break', 23);

              case 23:
                if ('pdfbug' in hashParams) {
                  _app_options.AppOptions.set('pdfBug', true);
                  enabled = hashParams['pdfbug'].split(',');

                  waitOn.push(loadAndEnablePDFBug(enabled));
                }
                if ('locale' in hashParams) {
                  _app_options.AppOptions.set('locale', hashParams['locale']);
                }
                return _context3.abrupt('return', Promise.all(waitOn).catch(function (reason) {
                  console.error('_parseHashParameters: "' + reason.message + '".');
                }));

              case 26:
              case 'end':
                return _context3.stop();
              }
            }
          }, _callee3, this);
        }));

        function _parseHashParameters() {
          return _ref3.apply(this, arguments);
        }

        return _parseHashParameters;
      }(),
      _initializeL10n: function () {
        let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4() {
          let dir;
          return _regenerator2.default.wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
              case 0:
                this.l10n = this.externalServices.createL10n({ locale: _app_options.AppOptions.get('locale'), });
                _context4.next = 3;
                return this.l10n.getDirection();

              case 3:
                dir = _context4.sent;

                document.getElementsByTagName('html')[0].dir = dir;

              case 5:
              case 'end':
                return _context4.stop();
              }
            }
          }, _callee4, this);
        }));

        function _initializeL10n() {
          return _ref4.apply(this, arguments);
        }

        return _initializeL10n;
      }(),
      _initializeViewerComponents: function () {
        let _ref5 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee5() {
          let appConfig, dispatchToDOM, eventBus, pdfRenderingQueue, pdfLinkService, downloadManager, findController, container, viewer, thumbnailContainer, sidebarConfig;
          return _regenerator2.default.wrap(function _callee5$(_context5) {
            while (1) {
              switch (_context5.prev = _context5.next) {
              case 0:
                appConfig = this.appConfig;

                this.overlayManager = new _overlay_manager.OverlayManager();
                dispatchToDOM = _app_options.AppOptions.get('eventBusDispatchToDOM');
                eventBus = appConfig.eventBus || (0, _dom_events.getGlobalEventBus)(dispatchToDOM);

                this.eventBus = eventBus;
                pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();

                pdfRenderingQueue.onIdle = this.cleanup.bind(this);
                this.pdfRenderingQueue = pdfRenderingQueue;
                pdfLinkService = new _pdf_link_service.PDFLinkService({
                  eventBus: eventBus,
                  externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                  externalLinkRel: _app_options.AppOptions.get('externalLinkRel'),
                });

                this.pdfLinkService = pdfLinkService;
                downloadManager = this.externalServices.createDownloadManager({ disableCreateObjectURL: _app_options.AppOptions.get('disableCreateObjectURL'), });

                this.downloadManager = downloadManager;
                findController = new _pdf_find_controller.PDFFindController({
                  linkService: pdfLinkService,
                  eventBus: eventBus,
                });

                this.findController = findController;
                container = appConfig.mainContainer;
                viewer = appConfig.viewerContainer;

                this.pdfViewer = new _pdf_viewer.PDFViewer({
                  container: container,
                  viewer: viewer,
                  eventBus: eventBus,
                  renderingQueue: pdfRenderingQueue,
                  linkService: pdfLinkService,
                  downloadManager: downloadManager,
                  findController: findController,
                  renderer: _app_options.AppOptions.get('renderer'),
                  enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                  l10n: this.l10n,
                  textLayerMode: _app_options.AppOptions.get('textLayerMode'),
                  imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'),
                  renderInteractiveForms: _app_options.AppOptions.get('renderInteractiveForms'),
                  enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'),
                  useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'),
                  maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels'),
                });
                pdfRenderingQueue.setViewer(this.pdfViewer);
                pdfLinkService.setViewer(this.pdfViewer);
                thumbnailContainer = appConfig.sidebar.thumbnailView;

                this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                  container: thumbnailContainer,
                  renderingQueue: pdfRenderingQueue,
                  linkService: pdfLinkService,
                  l10n: this.l10n,
                });
                pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
                this.pdfHistory = new _pdf_history.PDFHistory({
                  linkService: pdfLinkService,
                  eventBus: eventBus,
                });
                pdfLinkService.setHistory(this.pdfHistory);
                this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
                this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
                this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                  container: container,
                  eventBus: eventBus,
                  cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad'),
                });
                this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
                this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
                if (this.supportsFullscreen) {
                  this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                    container: container,
                    viewer: viewer,
                    pdfViewer: this.pdfViewer,
                    eventBus: eventBus,
                    contextMenuItems: appConfig.fullscreen,
                  });
                }
                this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
                this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                  container: appConfig.sidebar.outlineView,
                  eventBus: eventBus,
                  linkService: pdfLinkService,
                });
                this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                  container: appConfig.sidebar.attachmentsView,
                  eventBus: eventBus,
                  downloadManager: downloadManager,
                });
                sidebarConfig = Object.create(appConfig.sidebar);

                sidebarConfig.pdfViewer = this.pdfViewer;
                sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
                this.pdfSidebar = new _pdf_sidebar.PDFSidebar(sidebarConfig, eventBus, this.l10n);
                this.pdfSidebar.onToggled = this.forceRendering.bind(this);
                this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);

              case 39:
              case 'end':
                return _context5.stop();
              }
            }
          }, _callee5, this);
        }));

        function _initializeViewerComponents() {
          return _ref5.apply(this, arguments);
        }

        return _initializeViewerComponents;
      }(),
      run: function run(config) {
        this.initialize(config).then(webViewerInitialized);
      },
      zoomIn: function zoomIn(ticks) {
        let newScale = this.pdfViewer.currentScale;
        do {
          newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
          newScale = Math.ceil(newScale * 10) / 10;
          newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
        } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
        this.pdfViewer.currentScaleValue = newScale;
      },
      zoomOut: function zoomOut(ticks) {
        let newScale = this.pdfViewer.currentScale;
        do {
          newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
          newScale = Math.floor(newScale * 10) / 10;
          newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
        } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
        this.pdfViewer.currentScaleValue = newScale;
      },

      get pagesCount() {
        return this.pdfDocument ? this.pdfDocument.numPages : 0;
      },
      set page(val) {
        this.pdfViewer.currentPageNumber = val;
      },
      get page() {
        return this.pdfViewer.currentPageNumber;
      },
      get printing() {
        return !!this.printService;
      },
      get supportsPrinting() {
        return PDFPrintServiceFactory.instance.supportsPrinting;
      },
      get supportsFullscreen() {
        let support = void 0;
        let doc = document.documentElement;
        support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
        if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
          support = false;
        }
        return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', support);
      },
      get supportsIntegratedFind() {
        return this.externalServices.supportsIntegratedFind;
      },
      get supportsDocumentFonts() {
        return this.externalServices.supportsDocumentFonts;
      },
      get supportsDocumentColors() {
        return this.externalServices.supportsDocumentColors;
      },
      get loadingBar() {
        let bar = new _ui_utils.ProgressBar('#loadingBar');
        return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar);
      },
      get supportedMouseWheelZoomModifierKeys() {
        return this.externalServices.supportedMouseWheelZoomModifierKeys;
      },
      initPassiveLoading: function initPassiveLoading() {
        throw new Error('Not implemented: initPassiveLoading');
      },
      setTitleUsingUrl: function setTitleUsingUrl() {
        let url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

        this.url = url;
        this.baseUrl = url.split('#')[0];
        let title = (0, _ui_utils.getPDFFileNameFromURL)(url, '');
        if (!title) {
          try {
            title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
          } catch (ex) {
            title = url;
          }
        }
        this.setTitle(title);
      },
      setTitle: function setTitle(title) {
        if (this.isViewerEmbedded) {
          return;
        }
        document.title = title;
      },
      close: function () {
        let _ref6 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee6() {
          let errorWrapper, promise;
          return _regenerator2.default.wrap(function _callee6$(_context6) {
            while (1) {
              switch (_context6.prev = _context6.next) {
              case 0:
                errorWrapper = this.appConfig.errorWrapper.container;

                errorWrapper.setAttribute('hidden', 'true');

                if (this.pdfLoadingTask) {
                  _context6.next = 4;
                  break;
                }

                return _context6.abrupt('return');

              case 4:
                promise = this.pdfLoadingTask.destroy();

                this.pdfLoadingTask = null;
                if (this.pdfDocument) {
                  this.pdfDocument = null;
                  this.pdfThumbnailViewer.setDocument(null);
                  this.pdfViewer.setDocument(null);
                  this.pdfLinkService.setDocument(null);
                  this.pdfDocumentProperties.setDocument(null);
                }
                this.store = null;
                this.isInitialViewSet = false;
                this.downloadComplete = false;
                this.url = '';
                this.baseUrl = '';
                this.contentDispositionFilename = null;
                this.pdfSidebar.reset();
                this.pdfOutlineViewer.reset();
                this.pdfAttachmentViewer.reset();
                this.findBar.reset();
                this.toolbar.reset();
                this.secondaryToolbar.reset();
                if (typeof PDFBug !== 'undefined') {
                  PDFBug.cleanup();
                }
                return _context6.abrupt('return', promise);

              case 21:
              case 'end':
                return _context6.stop();
              }
            }
          }, _callee6, this);
        }));

        function close() {
          return _ref6.apply(this, arguments);
        }

        return close;
      }(),
      open: function () {
        let _ref7 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee7(file, args) {
          let _this2 = this;

          let workerParameters, key, parameters, apiParameters, _key, prop, loadingTask;

          return _regenerator2.default.wrap(function _callee7$(_context7) {
            while (1) {
              switch (_context7.prev = _context7.next) {
              case 0:
                if (!this.pdfLoadingTask) {
                  _context7.next = 3;
                  break;
                }

                _context7.next = 3;
                return this.close();

              case 3:
                workerParameters = _app_options.AppOptions.getAll('worker');

                for (key in workerParameters) {
                  _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
                }
                parameters = Object.create(null);

                if (typeof file === 'string') {
                  this.setTitleUsingUrl(file);
                  parameters.url = file;
                } else if (file && 'byteLength' in file) {
                  parameters.data = file;
                } else if (file.url && file.originalUrl) {
                  this.setTitleUsingUrl(file.originalUrl);
                  parameters.url = file.url;
                }
                apiParameters = _app_options.AppOptions.getAll('api');

                for (_key in apiParameters) {
                  parameters[_key] = apiParameters[_key];
                }
                if (args) {
                  for (prop in args) {
                    if (prop === 'length') {
                      this.pdfDocumentProperties.setFileSize(args[prop]);
                    }
                    parameters[prop] = args[prop];
                  }
                }
                loadingTask = (0, _pdfjsLib.getDocument)(parameters);

                this.pdfLoadingTask = loadingTask;
                loadingTask.onPassword = function (updateCallback, reason) {
                  _this2.passwordPrompt.setUpdateCallback(updateCallback, reason);
                  _this2.passwordPrompt.open();
                };
                loadingTask.onProgress = function (_ref8) {
                  let loaded = _ref8.loaded;
                  let total = _ref8.total;

                  _this2.progress(loaded / total);
                };
                loadingTask.onUnsupportedFeature = this.fallback.bind(this);
                return _context7.abrupt('return', loadingTask.promise.then(function (pdfDocument) {
                  _this2.load(pdfDocument);
                }, function (exception) {
                  if (loadingTask !== _this2.pdfLoadingTask) {
                    return;
                  }
                  let message = exception && exception.message;
                  let loadingErrorMessage = void 0;
                  if (exception instanceof _pdfjsLib.InvalidPDFException) {
                    loadingErrorMessage = _this2.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
                  } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                    loadingErrorMessage = _this2.l10n.get('missing_file_error', null, 'Missing PDF file.');
                  } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                    loadingErrorMessage = _this2.l10n.get('unexpected_response_error', null, 'Unexpected server response.');
                  } else {
                    loadingErrorMessage = _this2.l10n.get('loading_error', null, 'An error occurred while loading the PDF.');
                  }
                  return loadingErrorMessage.then(function (msg) {
                    _this2.error(msg, { message: message, });
                    throw new Error(msg);
                  });
                }));

              case 16:
              case 'end':
                return _context7.stop();
              }
            }
          }, _callee7, this);
        }));

        function open(_x3, _x4) {
          return _ref7.apply(this, arguments);
        }

        return open;
      }(),
      download: function download() {
        let _this3 = this;

        function downloadByUrl() {
          downloadManager.downloadUrl(url, filename);
        }
        var url = this.baseUrl;
        var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
        var downloadManager = this.downloadManager;
        downloadManager.onerror = function (err) {
          _this3.error('PDF failed to download: ' + err);
        };
        if (!this.pdfDocument || !this.downloadComplete) {
          downloadByUrl();
          return;
        }
        this.pdfDocument.getData().then(function (data) {
          let blob = new Blob([data,], { type: 'application/pdf', });
          downloadManager.download(blob, url, filename);
        }).catch(downloadByUrl);
      },
      fallback: function fallback(featureId) {},
      error: function error(message, moreInfo) {
        let moreInfoText = [this.l10n.get('error_version_info', {
          version: _pdfjsLib.version || '?',
          build: _pdfjsLib.build || '?',
        }, 'PDF.js v{{version}} (build: {{build}})'),];
        if (moreInfo) {
          moreInfoText.push(this.l10n.get('error_message', { message: moreInfo.message, }, 'Message: {{message}}'));
          if (moreInfo.stack) {
            moreInfoText.push(this.l10n.get('error_stack', { stack: moreInfo.stack, }, 'Stack: {{stack}}'));
          } else {
            if (moreInfo.filename) {
              moreInfoText.push(this.l10n.get('error_file', { file: moreInfo.filename, }, 'File: {{file}}'));
            }
            if (moreInfo.lineNumber) {
              moreInfoText.push(this.l10n.get('error_line', { line: moreInfo.lineNumber, }, 'Line: {{line}}'));
            }
          }
        }
        let errorWrapperConfig = this.appConfig.errorWrapper;
        let errorWrapper = errorWrapperConfig.container;
        errorWrapper.removeAttribute('hidden');
        let errorMessage = errorWrapperConfig.errorMessage;
        errorMessage.textContent = message;
        let closeButton = errorWrapperConfig.closeButton;
        closeButton.onclick = function () {
          errorWrapper.setAttribute('hidden', 'true');
        };
        let errorMoreInfo = errorWrapperConfig.errorMoreInfo;
        let moreInfoButton = errorWrapperConfig.moreInfoButton;
        let lessInfoButton = errorWrapperConfig.lessInfoButton;
        moreInfoButton.onclick = function () {
          errorMoreInfo.removeAttribute('hidden');
          moreInfoButton.setAttribute('hidden', 'true');
          lessInfoButton.removeAttribute('hidden');
          errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
        };
        lessInfoButton.onclick = function () {
          errorMoreInfo.setAttribute('hidden', 'true');
          moreInfoButton.removeAttribute('hidden');
          lessInfoButton.setAttribute('hidden', 'true');
        };
        moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        moreInfoButton.removeAttribute('hidden');
        lessInfoButton.setAttribute('hidden', 'true');
        Promise.all(moreInfoText).then(function (parts) {
          errorMoreInfo.value = parts.join('\n');
        });
      },
      progress: function progress(level) {
        let _this4 = this;

        if (this.downloadComplete) {
          return;
        }
        let percent = Math.round(level * 100);
        if (percent > this.loadingBar.percent || isNaN(percent)) {
          this.loadingBar.percent = percent;
          let disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams['disableAutoFetch'] : _app_options.AppOptions.get('disableAutoFetch');
          if (disableAutoFetch && percent) {
            if (this.disableAutoFetchLoadingBarTimeout) {
              clearTimeout(this.disableAutoFetchLoadingBarTimeout);
              this.disableAutoFetchLoadingBarTimeout = null;
            }
            this.loadingBar.show();
            this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
              _this4.loadingBar.hide();
              _this4.disableAutoFetchLoadingBarTimeout = null;
            }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
          }
        }
      },
      load: function load(pdfDocument) {
        let _this5 = this;

        this.pdfDocument = pdfDocument;
        pdfDocument.getDownloadInfo().then(function () {
          _this5.downloadComplete = true;
          _this5.loadingBar.hide();
          firstPagePromise.then(function () {
            _this5.eventBus.dispatch('documentloaded', { source: _this5, });
            _this5.eventBus.dispatch('documentload', { source: _this5, });
          });
        });
        let pageModePromise = pdfDocument.getPageMode().catch(function () {});
        this.toolbar.setPagesCount(pdfDocument.numPages, false);
        this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
        let store = this.store = new _view_history.ViewHistory(pdfDocument.fingerprint);
        let baseDocumentUrl = void 0;
        baseDocumentUrl = null;
        this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
        this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
        let pdfViewer = this.pdfViewer;
        pdfViewer.setDocument(pdfDocument);
        var firstPagePromise = pdfViewer.firstPagePromise;
        let pagesPromise = pdfViewer.pagesPromise;
        let onePageRendered = pdfViewer.onePageRendered;
        let pdfThumbnailViewer = this.pdfThumbnailViewer;
        pdfThumbnailViewer.setDocument(pdfDocument);
        firstPagePromise.then(function (pdfPage) {
          _this5.loadingBar.setWidth(_this5.appConfig.viewerContainer);
          if (!_app_options.AppOptions.get('disableHistory') && !_this5.isViewerEmbedded) {
            let resetHistory = !_app_options.AppOptions.get('showPreviousViewOnLoad');
            _this5.pdfHistory.initialize(pdfDocument.fingerprint, resetHistory);
            if (_this5.pdfHistory.initialBookmark) {
              _this5.initialBookmark = _this5.pdfHistory.initialBookmark;
              _this5.initialRotation = _this5.pdfHistory.initialRotation;
            }
          }
          let storePromise = store.getMultiple({
            page: null,
            zoom: _ui_utils.DEFAULT_SCALE_VALUE,
            scrollLeft: '0',
            scrollTop: '0',
            rotation: null,
            sidebarView: _pdf_sidebar.SidebarView.NONE,
            scrollMode: null,
            spreadMode: null,
          }).catch(function () {});
          Promise.all([storePromise, pageModePromise,]).then(function () {
            let _ref10 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee8(_ref9) {
              let _ref11 = _slicedToArray(_ref9, 2);
              let _ref11$ = _ref11[0];
              let values = _ref11$ === undefined ? {} : _ref11$;
              let pageMode = _ref11[1];

              let initialBookmark, zoom, hash, rotation, sidebarView, scrollMode, spreadMode;
              return _regenerator2.default.wrap(function _callee8$(_context8) {
                while (1) {
                  switch (_context8.prev = _context8.next) {
                  case 0:
                    initialBookmark = _this5.initialBookmark;
                    zoom = _app_options.AppOptions.get('defaultZoomValue');
                    hash = zoom ? 'zoom=' + zoom : null;
                    rotation = null;
                    sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad');
                    scrollMode = _app_options.AppOptions.get('scrollModeOnLoad');
                    spreadMode = _app_options.AppOptions.get('spreadModeOnLoad');

                    if (values.page && _app_options.AppOptions.get('showPreviousViewOnLoad')) {
                      hash = 'page=' + values.page + '&zoom=' + (zoom || values.zoom) + ',' + values.scrollLeft + ',' + values.scrollTop;
                      rotation = parseInt(values.rotation, 10);
                      sidebarView = sidebarView || values.sidebarView | 0;
                      scrollMode = scrollMode || values.scrollMode | 0;
                      spreadMode = spreadMode || values.spreadMode | 0;
                    }
                    if (pageMode && !_app_options.AppOptions.get('disablePageMode')) {
                      sidebarView = sidebarView || apiPageModeToSidebarView(pageMode);
                    }
                    _this5.setInitialView(hash, {
                      rotation: rotation,
                      sidebarView: sidebarView,
                      scrollMode: scrollMode,
                      spreadMode: spreadMode,
                    });
                    _this5.eventBus.dispatch('documentinit', { source: _this5, });
                    if (!_this5.isViewerEmbedded) {
                      pdfViewer.focus();
                    }
                    _context8.next = 14;
                    return Promise.race([pagesPromise, new Promise(function (resolve) {
                      setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
                    }),]);

                  case 14:
                    if (!(!initialBookmark && !hash)) {
                      _context8.next = 16;
                      break;
                    }

                    return _context8.abrupt('return');

                  case 16:
                    if (!pdfViewer.hasEqualPageSizes) {
                      _context8.next = 18;
                      break;
                    }

                    return _context8.abrupt('return');

                  case 18:
                    _this5.initialBookmark = initialBookmark;
                    pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
                    _this5.setInitialView(hash);

                  case 21:
                  case 'end':
                    return _context8.stop();
                  }
                }
              }, _callee8, _this5);
            }));

            return function (_x5) {
              return _ref10.apply(this, arguments);
            };
          }()).then(function () {
            pdfViewer.update();
          });
        });
        pdfDocument.getPageLabels().then(function (labels) {
          if (!labels || _app_options.AppOptions.get('disablePageLabels')) {
            return;
          }
          let i = 0;
          let numLabels = labels.length;
          if (numLabels !== _this5.pagesCount) {
            console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
            return;
          }
          while (i < numLabels && labels[i] === (i + 1).toString()) {
            i++;
          }
          if (i === numLabels) {
            return;
          }
          pdfViewer.setPageLabels(labels);
          pdfThumbnailViewer.setPageLabels(labels);
          _this5.toolbar.setPagesCount(pdfDocument.numPages, true);
          _this5.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
        });
        pagesPromise.then(function () {
          if (!_this5.supportsPrinting) {
            return;
          }
          pdfDocument.getJavaScript().then(function (javaScript) {
            if (!javaScript) {
              return;
            }
            javaScript.some(function (js) {
              if (!js) {
                return false;
              }
              console.warn('Warning: JavaScript is not supported');
              _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
              return true;
            });
            let regex = /\bprint\s*\(/;
            for (let i = 0, ii = javaScript.length; i < ii; i++) {
              let js = javaScript[i];
              if (js && regex.test(js)) {
                setTimeout(function () {
                  window.print();
                });
                return;
              }
            }
          });
        });
        Promise.all([onePageRendered, _ui_utils.animationStarted,]).then(function () {
          pdfDocument.getOutline().then(function (outline) {
            _this5.pdfOutlineViewer.render({ outline: outline, });
          });
          pdfDocument.getAttachments().then(function (attachments) {
            _this5.pdfAttachmentViewer.render({ attachments: attachments, });
          });
        });
        pdfDocument.getMetadata().then(function (_ref12) {
          let info = _ref12.info;
          let metadata = _ref12.metadata;
          let contentDispositionFilename = _ref12.contentDispositionFilename;

          _this5.documentInfo = info;
          _this5.metadata = metadata;
          _this5.contentDispositionFilename = contentDispositionFilename;
          console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (_pdfjsLib.version || '-') + (_app_options.AppOptions.get('enableWebGL') ? ' [WebGL]' : '') + ')');
          let pdfTitle = void 0;
          if (metadata && metadata.has('dc:title')) {
            let title = metadata.get('dc:title');
            if (title !== 'Untitled') {
              pdfTitle = title;
            }
          }
          if (!pdfTitle && info && info['Title']) {
            pdfTitle = info['Title'];
          }
          if (pdfTitle) {
            _this5.setTitle(pdfTitle + ' - ' + (contentDispositionFilename || document.title));
          } else if (contentDispositionFilename) {
            _this5.setTitle(contentDispositionFilename);
          }
          if (info.IsAcroFormPresent) {
            console.warn('Warning: AcroForm/XFA is not supported');
            _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
          }
        });
      },
      setInitialView: function setInitialView(storedHash) {
        let _this6 = this;

        let _ref13 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
        let rotation = _ref13.rotation;
        let sidebarView = _ref13.sidebarView;
        let scrollMode = _ref13.scrollMode;
        let spreadMode = _ref13.spreadMode;

        let setRotation = function setRotation(angle) {
          if ((0, _ui_utils.isValidRotation)(angle)) {
            _this6.pdfViewer.pagesRotation = angle;
          }
        };
        let setViewerModes = function setViewerModes(scroll, spread) {
          if (Number.isInteger(scroll)) {
            _this6.pdfViewer.scrollMode = scroll;
          }
          if (Number.isInteger(spread)) {
            _this6.pdfViewer.spreadMode = spread;
          }
        };
        setViewerModes(scrollMode, spreadMode);
        this.isInitialViewSet = true;
        this.pdfSidebar.setInitialView(sidebarView);
        if (this.initialBookmark) {
          setRotation(this.initialRotation);
          delete this.initialRotation;
          this.pdfLinkService.setHash(this.initialBookmark);
          this.initialBookmark = null;
        } else if (storedHash) {
          setRotation(rotation);
          this.pdfLinkService.setHash(storedHash);
        }
        this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
        this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
        if (!this.pdfViewer.currentScaleValue) {
          this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
        }
      },
      cleanup: function cleanup() {
        if (!this.pdfDocument) {
          return;
        }
        this.pdfViewer.cleanup();
        this.pdfThumbnailViewer.cleanup();
        if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
          this.pdfDocument.cleanup();
        }
      },
      forceRendering: function forceRendering() {
        this.pdfRenderingQueue.printing = this.printing;
        this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
        this.pdfRenderingQueue.renderHighestPriority();
      },
      beforePrint: function beforePrint() {
        let _this7 = this;

        if (this.printService) {
          return;
        }
        if (!this.supportsPrinting) {
          this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by ' + 'this browser.').then(function (printMessage) {
            _this7.error(printMessage);
          });
          return;
        }
        if (!this.pdfViewer.pageViewsReady) {
          this.l10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.').then(function (notReadyMessage) {
            window.alert(notReadyMessage);
          });
          return;
        }
        let pagesOverview = this.pdfViewer.getPagesOverview();
        let printContainer = this.appConfig.printContainer;
        let printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, this.l10n);
        this.printService = printService;
        this.forceRendering();
        printService.layout();
      },

      afterPrint: function pdfViewSetupAfterPrint() {
        if (this.printService) {
          this.printService.destroy();
          this.printService = null;
        }
        this.forceRendering();
      },
      rotatePages: function rotatePages(delta) {
        if (!this.pdfDocument) {
          return;
        }
        let newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
        this.pdfViewer.pagesRotation = newRotation;
      },
      requestPresentationMode: function requestPresentationMode() {
        if (!this.pdfPresentationMode) {
          return;
        }
        this.pdfPresentationMode.request();
      },
      bindEvents: function bindEvents() {
        let eventBus = this.eventBus;
        let _boundEvents = this._boundEvents;

        _boundEvents.beforePrint = this.beforePrint.bind(this);
        _boundEvents.afterPrint = this.afterPrint.bind(this);
        eventBus.on('resize', webViewerResize);
        eventBus.on('hashchange', webViewerHashchange);
        eventBus.on('beforeprint', _boundEvents.beforePrint);
        eventBus.on('afterprint', _boundEvents.afterPrint);
        eventBus.on('pagerendered', webViewerPageRendered);
        eventBus.on('textlayerrendered', webViewerTextLayerRendered);
        eventBus.on('updateviewarea', webViewerUpdateViewarea);
        eventBus.on('pagechanging', webViewerPageChanging);
        eventBus.on('scalechanging', webViewerScaleChanging);
        eventBus.on('rotationchanging', webViewerRotationChanging);
        eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
        eventBus.on('pagemode', webViewerPageMode);
        eventBus.on('namedaction', webViewerNamedAction);
        eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
        eventBus.on('presentationmode', webViewerPresentationMode);
        eventBus.on('openfile', webViewerOpenFile);
        eventBus.on('print', webViewerPrint);
        eventBus.on('download', webViewerDownload);
        eventBus.on('firstpage', webViewerFirstPage);
        eventBus.on('lastpage', webViewerLastPage);
        eventBus.on('nextpage', webViewerNextPage);
        eventBus.on('previouspage', webViewerPreviousPage);
        eventBus.on('zoomin', webViewerZoomIn);
        eventBus.on('zoomout', webViewerZoomOut);
        eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
        eventBus.on('scalechanged', webViewerScaleChanged);
        eventBus.on('rotatecw', webViewerRotateCw);
        eventBus.on('rotateccw', webViewerRotateCcw);
        eventBus.on('switchscrollmode', webViewerSwitchScrollMode);
        eventBus.on('scrollmodechanged', webViewerScrollModeChanged);
        eventBus.on('switchspreadmode', webViewerSwitchSpreadMode);
        eventBus.on('spreadmodechanged', webViewerSpreadModeChanged);
        eventBus.on('documentproperties', webViewerDocumentProperties);
        eventBus.on('find', webViewerFind);
        eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
        eventBus.on('updatefindmatchescount', webViewerUpdateFindMatchesCount);
        eventBus.on('updatefindcontrolstate', webViewerUpdateFindControlState);
        eventBus.on('fileinputchange', webViewerFileInputChange);
      },
      bindWindowEvents: function bindWindowEvents() {
        let eventBus = this.eventBus;
        let _boundEvents = this._boundEvents;

        _boundEvents.windowResize = function () {
          eventBus.dispatch('resize', { source: window, });
        };
        _boundEvents.windowHashChange = function () {
          eventBus.dispatch('hashchange', {
            source: window,
            hash: document.location.hash.substring(1),
          });
        };
        _boundEvents.windowBeforePrint = function () {
          eventBus.dispatch('beforeprint', { source: window, });
        };
        _boundEvents.windowAfterPrint = function () {
          eventBus.dispatch('afterprint', { source: window, });
        };
        window.addEventListener('wheel', webViewerWheel);
        window.addEventListener('click', webViewerClick);
        window.addEventListener('keydown', webViewerKeyDown);
        window.addEventListener('resize', _boundEvents.windowResize);
        window.addEventListener('hashchange', _boundEvents.windowHashChange);
        window.addEventListener('beforeprint', _boundEvents.windowBeforePrint);
        window.addEventListener('afterprint', _boundEvents.windowAfterPrint);
      },
      unbindEvents: function unbindEvents() {
        let eventBus = this.eventBus;
        let _boundEvents = this._boundEvents;

        eventBus.off('resize', webViewerResize);
        eventBus.off('hashchange', webViewerHashchange);
        eventBus.off('beforeprint', _boundEvents.beforePrint);
        eventBus.off('afterprint', _boundEvents.afterPrint);
        eventBus.off('pagerendered', webViewerPageRendered);
        eventBus.off('textlayerrendered', webViewerTextLayerRendered);
        eventBus.off('updateviewarea', webViewerUpdateViewarea);
        eventBus.off('pagechanging', webViewerPageChanging);
        eventBus.off('scalechanging', webViewerScaleChanging);
        eventBus.off('rotationchanging', webViewerRotationChanging);
        eventBus.off('sidebarviewchanged', webViewerSidebarViewChanged);
        eventBus.off('pagemode', webViewerPageMode);
        eventBus.off('namedaction', webViewerNamedAction);
        eventBus.off('presentationmodechanged', webViewerPresentationModeChanged);
        eventBus.off('presentationmode', webViewerPresentationMode);
        eventBus.off('openfile', webViewerOpenFile);
        eventBus.off('print', webViewerPrint);
        eventBus.off('download', webViewerDownload);
        eventBus.off('firstpage', webViewerFirstPage);
        eventBus.off('lastpage', webViewerLastPage);
        eventBus.off('nextpage', webViewerNextPage);
        eventBus.off('previouspage', webViewerPreviousPage);
        eventBus.off('zoomin', webViewerZoomIn);
        eventBus.off('zoomout', webViewerZoomOut);
        eventBus.off('pagenumberchanged', webViewerPageNumberChanged);
        eventBus.off('scalechanged', webViewerScaleChanged);
        eventBus.off('rotatecw', webViewerRotateCw);
        eventBus.off('rotateccw', webViewerRotateCcw);
        eventBus.off('switchscrollmode', webViewerSwitchScrollMode);
        eventBus.off('scrollmodechanged', webViewerScrollModeChanged);
        eventBus.off('switchspreadmode', webViewerSwitchSpreadMode);
        eventBus.off('spreadmodechanged', webViewerSpreadModeChanged);
        eventBus.off('documentproperties', webViewerDocumentProperties);
        eventBus.off('find', webViewerFind);
        eventBus.off('findfromurlhash', webViewerFindFromUrlHash);
        eventBus.off('updatefindmatchescount', webViewerUpdateFindMatchesCount);
        eventBus.off('updatefindcontrolstate', webViewerUpdateFindControlState);
        eventBus.off('fileinputchange', webViewerFileInputChange);
        _boundEvents.beforePrint = null;
        _boundEvents.afterPrint = null;
      },
      unbindWindowEvents: function unbindWindowEvents() {
        let _boundEvents = this._boundEvents;

        window.removeEventListener('wheel', webViewerWheel);
        window.removeEventListener('click', webViewerClick);
        window.removeEventListener('keydown', webViewerKeyDown);
        window.removeEventListener('resize', _boundEvents.windowResize);
        window.removeEventListener('hashchange', _boundEvents.windowHashChange);
        window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint);
        window.removeEventListener('afterprint', _boundEvents.windowAfterPrint);
        _boundEvents.windowResize = null;
        _boundEvents.windowHashChange = null;
        _boundEvents.windowBeforePrint = null;
        _boundEvents.windowAfterPrint = null;
      },
    };
    let validateFileURL = void 0;
    {
      let HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io',];
      validateFileURL = function validateFileURL(file) {
        if (file === undefined) {
          return;
        }
        try {
          let viewerOrigin = new _pdfjsLib.URL(window.location.href).origin || 'null';
          if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
            return;
          }

          let _ref14 = new _pdfjsLib.URL(file, window.location.href);
          let origin = _ref14.origin;
          let protocol = _ref14.protocol;

          if (origin !== viewerOrigin && protocol !== 'blob:') {
            //      throw new Error('file origin does not match viewer\'s');
          }
        } catch (ex) {
          let message = ex && ex.message;
          PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (loadingErrorMessage) {
            PDFViewerApplication.error(loadingErrorMessage, { message: message, });
          });
          throw ex;
        }
      };
    }
    function loadFakeWorker() {
      if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
        _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
      }
      return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
    }
    function loadAndEnablePDFBug(enabledTabs) {
      let appConfig = PDFViewerApplication.appConfig;
      return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
        PDFBug.enable(enabledTabs);
        PDFBug.init({
          OPS: _pdfjsLib.OPS,
          createObjectURL: _pdfjsLib.createObjectURL,
        }, appConfig.mainContainer);
      });
    }
    function webViewerInitialized() {
      let appConfig = PDFViewerApplication.appConfig;
      let file = void 0;
      let queryString = document.location.search.substring(1);
      let params = (0, _ui_utils.parseQueryString)(queryString);
      file = 'file' in params ? params.file : _app_options.AppOptions.get('defaultUrl');
      validateFileURL(file);
      let fileInput = document.createElement('input');
      fileInput.id = appConfig.openFileInputName;
      fileInput.className = 'fileInput';
      fileInput.setAttribute('type', 'file');
      fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
      document.body.appendChild(fileInput);
      if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
        appConfig.toolbar.openFile.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
      } else {
        fileInput.value = null;
      }
      fileInput.addEventListener('change', function (evt) {
        let files = evt.target.files;
        if (!files || files.length === 0) {
          return;
        }
        PDFViewerApplication.eventBus.dispatch('fileinputchange', {
          source: this,
          fileInput: evt.target,
        });
      });
      appConfig.mainContainer.addEventListener('dragover', function (evt) {
        evt.preventDefault();
        evt.dataTransfer.dropEffect = 'move';
      });
      appConfig.mainContainer.addEventListener('drop', function (evt) {
        evt.preventDefault();
        let files = evt.dataTransfer.files;
        if (!files || files.length === 0) {
          return;
        }
        PDFViewerApplication.eventBus.dispatch('fileinputchange', {
          source: this,
          fileInput: evt.dataTransfer,
        });
      });
      if (!PDFViewerApplication.supportsPrinting) {
        appConfig.toolbar.print.classList.add('hidden');
        appConfig.secondaryToolbar.printButton.classList.add('hidden');
      }
      if (!PDFViewerApplication.supportsFullscreen) {
        appConfig.toolbar.presentationModeButton.classList.add('hidden');
        appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
      }
      if (PDFViewerApplication.supportsIntegratedFind) {
        appConfig.toolbar.viewFind.classList.add('hidden');
      }
      appConfig.mainContainer.addEventListener('transitionend', function (evt) {
        if (evt.target === this) {
          PDFViewerApplication.eventBus.dispatch('resize', { source: this, });
        }
      }, true);
      appConfig.sidebar.toggleButton.addEventListener('click', function () {
        PDFViewerApplication.pdfSidebar.toggle();
      });
      try {
        webViewerOpenFileViaURL(file);
      } catch (reason) {
        PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
          PDFViewerApplication.error(msg, reason);
        });
      }
    }
    var webViewerOpenFileViaURL = void 0;
    {
      webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
        if (file && file.lastIndexOf('file:', 0) === 0) {
          PDFViewerApplication.setTitleUsingUrl(file);
          let xhr = new XMLHttpRequest();
          xhr.onload = function () {
            PDFViewerApplication.open(new Uint8Array(xhr.response));
          };
          try {
            xhr.open('GET', file);
            xhr.responseType = 'arraybuffer';
            xhr.send();
          } catch (ex) {
            throw ex;
          }
          return;
        }
        if (file) {
          PDFViewerApplication.open(file);
        }
      };
    }
    function webViewerPageRendered(evt) {
      let pageNumber = evt.pageNumber;
      let pageIndex = pageNumber - 1;
      let pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
      if (pageNumber === PDFViewerApplication.page) {
        PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
      }
      if (!pageView) {
        return;
      }
      if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
        let thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
        thumbnailView.setImage(pageView);
      }
      if (typeof Stats !== 'undefined' && Stats.enabled && pageView.stats) {
        Stats.add(pageNumber, pageView.stats);
      }
      if (pageView.error) {
        PDFViewerApplication.l10n.get('rendering_error', null, 'An error occurred while rendering the page.').then(function (msg) {
          PDFViewerApplication.error(msg, pageView.error);
        });
      }
    }
    function webViewerTextLayerRendered(evt) {}
    function webViewerPageMode(evt) {
      let mode = evt.mode;
      let view = void 0;
      switch (mode) {
      case 'thumbs':
        view = _pdf_sidebar.SidebarView.THUMBS;
        break;
      case 'bookmarks':
      case 'outline':
        view = _pdf_sidebar.SidebarView.OUTLINE;
        break;
      case 'attachments':
        view = _pdf_sidebar.SidebarView.ATTACHMENTS;
        break;
      case 'none':
        view = _pdf_sidebar.SidebarView.NONE;
        break;
      default:
        console.error('Invalid "pagemode" hash parameter: ' + mode);
        return;
      }
      PDFViewerApplication.pdfSidebar.switchView(view, true);
    }
    function webViewerNamedAction(evt) {
      let action = evt.action;
      switch (action) {
      case 'GoToPage':
        PDFViewerApplication.appConfig.toolbar.pageNumber.select();
        break;
      case 'Find':
        if (!PDFViewerApplication.supportsIntegratedFind) {
          PDFViewerApplication.findBar.toggle();
        }
        break;
      }
    }
    function webViewerPresentationModeChanged(evt) {
      let active = evt.active;
      let switchInProgress = evt.switchInProgress;

      PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? _ui_utils.PresentationModeState.CHANGING : active ? _ui_utils.PresentationModeState.FULLSCREEN : _ui_utils.PresentationModeState.NORMAL;
    }
    function webViewerSidebarViewChanged(evt) {
      PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
      let store = PDFViewerApplication.store;
      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('sidebarView', evt.view).catch(function () {});
      }
    }
    function webViewerUpdateViewarea(evt) {
      let location = evt.location;
      let store = PDFViewerApplication.store;
      if (store && PDFViewerApplication.isInitialViewSet) {
        store.setMultiple({
          'page': location.pageNumber,
          'zoom': location.scale,
          'scrollLeft': location.left,
          'scrollTop': location.top,
          'rotation': location.rotation,
        }).catch(function () {});
      }
      let href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
      PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
      PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
      let currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
      let loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
      PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
    }
    function webViewerScrollModeChanged(evt) {
      let store = PDFViewerApplication.store;
      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('scrollMode', evt.mode).catch(function () {});
      }
    }
    function webViewerSpreadModeChanged(evt) {
      let store = PDFViewerApplication.store;
      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('spreadMode', evt.mode).catch(function () {});
      }
    }
    function webViewerResize() {
      let pdfDocument = PDFViewerApplication.pdfDocument;
      let pdfViewer = PDFViewerApplication.pdfViewer;

      if (!pdfDocument) {
        return;
      }
      let currentScaleValue = pdfViewer.currentScaleValue;
      if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
        pdfViewer.currentScaleValue = currentScaleValue;
      }
      pdfViewer.update();
    }
    function webViewerHashchange(evt) {
      let hash = evt.hash;
      if (!hash) {
        return;
      }
      if (!PDFViewerApplication.isInitialViewSet) {
        PDFViewerApplication.initialBookmark = hash;
      } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
        PDFViewerApplication.pdfLinkService.setHash(hash);
      }
    }
    var webViewerFileInputChange = void 0;
    {
      webViewerFileInputChange = function webViewerFileInputChange(evt) {
        if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
          return;
        }
        let file = evt.fileInput.files[0];
        if (_pdfjsLib.URL.createObjectURL && !_app_options.AppOptions.get('disableCreateObjectURL')) {
          let _url = _pdfjsLib.URL.createObjectURL(file);
          if (file.name) {
            _url = {
              url: _url,
              originalUrl: file.name,
            };
          }
          PDFViewerApplication.open(_url);
        } else {
          PDFViewerApplication.setTitleUsingUrl(file.name);
          let fileReader = new FileReader();
          fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
            let buffer = evt.target.result;
            PDFViewerApplication.open(new Uint8Array(buffer));
          };
          fileReader.readAsArrayBuffer(file);
        }
        let appConfig = PDFViewerApplication.appConfig;
        appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
        appConfig.toolbar.download.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
      };
    }
    function webViewerPresentationMode() {
      PDFViewerApplication.requestPresentationMode();
    }
    function webViewerOpenFile() {
      let openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
      document.getElementById(openFileInputName).click();
    }
    function webViewerPrint() {
      window.print();
    }
    function webViewerDownload() {
      PDFViewerApplication.download();
    }
    function webViewerFirstPage() {
      if (PDFViewerApplication.pdfDocument) {
        PDFViewerApplication.page = 1;
      }
    }
    function webViewerLastPage() {
      if (PDFViewerApplication.pdfDocument) {
        PDFViewerApplication.page = PDFViewerApplication.pagesCount;
      }
    }
    function webViewerNextPage() {
      PDFViewerApplication.page++;
    }
    function webViewerPreviousPage() {
      PDFViewerApplication.page--;
    }
    function webViewerZoomIn() {
      PDFViewerApplication.zoomIn();
    }
    function webViewerZoomOut() {
      PDFViewerApplication.zoomOut();
    }
    function webViewerPageNumberChanged(evt) {
      let pdfViewer = PDFViewerApplication.pdfViewer;
      pdfViewer.currentPageLabel = evt.value;
      if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
        PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
      }
    }
    function webViewerScaleChanged(evt) {
      PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
    }
    function webViewerRotateCw() {
      PDFViewerApplication.rotatePages(90);
    }
    function webViewerRotateCcw() {
      PDFViewerApplication.rotatePages(-90);
    }
    function webViewerSwitchScrollMode(evt) {
      PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
    }
    function webViewerSwitchSpreadMode(evt) {
      PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
    }
    function webViewerDocumentProperties() {
      PDFViewerApplication.pdfDocumentProperties.open();
    }
    function webViewerFind(evt) {
      PDFViewerApplication.findController.executeCommand('find' + evt.type, {
        query: evt.query,
        phraseSearch: evt.phraseSearch,
        caseSensitive: evt.caseSensitive,
        entireWord: evt.entireWord,
        highlightAll: evt.highlightAll,
        findPrevious: evt.findPrevious,
      });
    }
    function webViewerFindFromUrlHash(evt) {
      PDFViewerApplication.findController.executeCommand('find', {
        query: evt.query,
        phraseSearch: evt.phraseSearch,
        caseSensitive: false,
        entireWord: false,
        highlightAll: true,
        findPrevious: false,
      });
    }
    function webViewerUpdateFindMatchesCount(_ref15) {
      let matchesCount = _ref15.matchesCount;

      if (PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
      } else {
        PDFViewerApplication.findBar.updateResultsCount(matchesCount);
      }
    }
    function webViewerUpdateFindControlState(_ref16) {
      let state = _ref16.state;
      let previous = _ref16.previous;
      let matchesCount = _ref16.matchesCount;

      if (PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.externalServices.updateFindControlState({
          result: state,
          findPrevious: previous,
          matchesCount: matchesCount,
        });
      } else {
        PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
      }
    }
    function webViewerScaleChanging(evt) {
      PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
      PDFViewerApplication.pdfViewer.update();
    }
    function webViewerRotationChanging(evt) {
      PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
      PDFViewerApplication.forceRendering();
      PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
    }
    function webViewerPageChanging(evt) {
      let page = evt.pageNumber;
      PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
      PDFViewerApplication.secondaryToolbar.setPageNumber(page);
      if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
        PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
      }
      if (typeof Stats !== 'undefined' && Stats.enabled) {
        let pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
        if (pageView && pageView.stats) {
          Stats.add(page, pageView.stats);
        }
      }
    }
    let zoomDisabled = false;
    let zoomDisabledTimeout = void 0;
    function webViewerWheel(evt) {
      let pdfViewer = PDFViewerApplication.pdfViewer;
      if (pdfViewer.isInPresentationMode) {
        return;
      }
      if (evt.ctrlKey || evt.metaKey) {
        let support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
        if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
          return;
        }
        evt.preventDefault();
        if (zoomDisabled) {
          return;
        }
        let previousScale = pdfViewer.currentScale;
        let delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
        let MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
        let ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
        if (ticks < 0) {
          PDFViewerApplication.zoomOut(-ticks);
        } else {
          PDFViewerApplication.zoomIn(ticks);
        }
        let currentScale = pdfViewer.currentScale;
        if (previousScale !== currentScale) {
          let scaleCorrectionFactor = currentScale / previousScale - 1;
          let rect = pdfViewer.container.getBoundingClientRect();
          let dx = evt.clientX - rect.left;
          let dy = evt.clientY - rect.top;
          pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
          pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
        }
      } else {
        zoomDisabled = true;
        clearTimeout(zoomDisabledTimeout);
        zoomDisabledTimeout = setTimeout(function () {
          zoomDisabled = false;
        }, 1000);
      }
    }
    function webViewerClick(evt) {
      if (!PDFViewerApplication.secondaryToolbar.isOpen) {
        return;
      }
      let appConfig = PDFViewerApplication.appConfig;
      if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
        PDFViewerApplication.secondaryToolbar.close();
      }
    }
    function webViewerKeyDown(evt) {
      if (PDFViewerApplication.overlayManager.active) {
        return;
      }
      let handled = false;
      let ensureViewerFocused = false;
      let cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
      let pdfViewer = PDFViewerApplication.pdfViewer;
      let isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
      if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
        switch (evt.keyCode) {
        case 70:
          if (!PDFViewerApplication.supportsIntegratedFind) {
            PDFViewerApplication.findBar.open();
            handled = true;
          }
          break;
        case 71:
          if (!PDFViewerApplication.supportsIntegratedFind) {
            let findState = PDFViewerApplication.findController.state;
            if (findState) {
              PDFViewerApplication.findController.executeCommand('findagain', {
                query: findState.query,
                phraseSearch: findState.phraseSearch,
                caseSensitive: findState.caseSensitive,
                entireWord: findState.entireWord,
                highlightAll: findState.highlightAll,
                findPrevious: cmd === 5 || cmd === 12,
              });
            }
            handled = true;
          }
          break;
        case 61:
        case 107:
        case 187:
        case 171:
          if (!isViewerInPresentationMode) {
            PDFViewerApplication.zoomIn();
          }
          handled = true;
          break;
        case 173:
        case 109:
        case 189:
          if (!isViewerInPresentationMode) {
            PDFViewerApplication.zoomOut();
          }
          handled = true;
          break;
        case 48:
        case 96:
          if (!isViewerInPresentationMode) {
            setTimeout(function () {
              pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
            });
            handled = false;
          }
          break;
        case 38:
          if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
            PDFViewerApplication.page = 1;
            handled = true;
            ensureViewerFocused = true;
          }
          break;
        case 40:
          if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
            PDFViewerApplication.page = PDFViewerApplication.pagesCount;
            handled = true;
            ensureViewerFocused = true;
          }
          break;
        }
      }
      if (cmd === 1 || cmd === 8) {
        switch (evt.keyCode) {
        case 83:
          PDFViewerApplication.download();
          handled = true;
          break;
        }
      }
      if (cmd === 3 || cmd === 10) {
        switch (evt.keyCode) {
        case 80:
          PDFViewerApplication.requestPresentationMode();
          handled = true;
          break;
        case 71:
          PDFViewerApplication.appConfig.toolbar.pageNumber.select();
          handled = true;
          break;
        }
      }
      if (handled) {
        if (ensureViewerFocused && !isViewerInPresentationMode) {
          pdfViewer.focus();
        }
        evt.preventDefault();
        return;
      }
      let curElement = document.activeElement || document.querySelector(':focus');
      let curElementTagName = curElement && curElement.tagName.toUpperCase();
      if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
        if (evt.keyCode !== 27) {
          return;
        }
      }
      if (cmd === 0) {
        let turnPage = 0;
        let turnOnlyIfPageFit = false;
        switch (evt.keyCode) {
        case 38:
        case 33:
          if (pdfViewer.isVerticalScrollbarEnabled) {
            turnOnlyIfPageFit = true;
          }
          turnPage = -1;
          break;
        case 8:
          if (!isViewerInPresentationMode) {
            turnOnlyIfPageFit = true;
          }
          turnPage = -1;
          break;
        case 37:
          if (pdfViewer.isHorizontalScrollbarEnabled) {
            turnOnlyIfPageFit = true;
          }
        case 75:
        case 80:
          turnPage = -1;
          break;
        case 27:
          if (PDFViewerApplication.secondaryToolbar.isOpen) {
            PDFViewerApplication.secondaryToolbar.close();
            handled = true;
          }
          if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
            PDFViewerApplication.findBar.close();
            handled = true;
          }
          break;
        case 40:
        case 34:
          if (pdfViewer.isVerticalScrollbarEnabled) {
            turnOnlyIfPageFit = true;
          }
          turnPage = 1;
          break;
        case 13:
        case 32:
          if (!isViewerInPresentationMode) {
            turnOnlyIfPageFit = true;
          }
          turnPage = 1;
          break;
        case 39:
          if (pdfViewer.isHorizontalScrollbarEnabled) {
            turnOnlyIfPageFit = true;
          }
        case 74:
        case 78:
          turnPage = 1;
          break;
        case 36:
          if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
            PDFViewerApplication.page = 1;
            handled = true;
            ensureViewerFocused = true;
          }
          break;
        case 35:
          if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
            PDFViewerApplication.page = PDFViewerApplication.pagesCount;
            handled = true;
            ensureViewerFocused = true;
          }
          break;
        case 83:
          PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
          break;
        case 72:
          PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
          break;
        case 82:
          PDFViewerApplication.rotatePages(90);
          break;
        }
        if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) {
          if (turnPage > 0) {
            if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
              PDFViewerApplication.page++;
            }
          } else {
            if (PDFViewerApplication.page > 1) {
              PDFViewerApplication.page--;
            }
          }
          handled = true;
        }
      }
      if (cmd === 4) {
        switch (evt.keyCode) {
        case 13:
        case 32:
          if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
            break;
          }
          if (PDFViewerApplication.page > 1) {
            PDFViewerApplication.page--;
          }
          handled = true;
          break;
        case 82:
          PDFViewerApplication.rotatePages(-90);
          break;
        }
      }
      if (!handled && !isViewerInPresentationMode) {
        if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
          ensureViewerFocused = true;
        }
      }
      if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
        pdfViewer.focus();
      }
      if (handled) {
        evt.preventDefault();
      }
    }
    function apiPageModeToSidebarView(mode) {
      switch (mode) {
      case 'UseNone':
        return _pdf_sidebar.SidebarView.NONE;
      case 'UseThumbs':
        return _pdf_sidebar.SidebarView.THUMBS;
      case 'UseOutlines':
        return _pdf_sidebar.SidebarView.OUTLINE;
      case 'UseAttachments':
        return _pdf_sidebar.SidebarView.ATTACHMENTS;
      case 'UseOC':
      }
      return _pdf_sidebar.SidebarView.NONE;
    }
    var PDFPrintServiceFactory = {
      instance: {
        supportsPrinting: false,
        createPrintService: function createPrintService() {
          throw new Error('Not implemented: createPrintService');
        },
      },
    };
    exports.PDFViewerApplication = PDFViewerApplication;
    exports.DefaultExternalServices = DefaultExternalServices;
    exports.PDFPrintServiceFactory = PDFPrintServiceFactory;

    /***/ }),
  /* 2 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    module.exports = __webpack_require__(3);

    /***/ }),
  /* 3 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    let g = function () {
      return this;
    }() || Function("return this")();
    let hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
    let oldRuntime = hadRuntime && g.regeneratorRuntime;
    g.regeneratorRuntime = undefined;
    module.exports = __webpack_require__(4);
    if (hadRuntime) {
      g.regeneratorRuntime = oldRuntime;
    } else {
      try {
        delete g.regeneratorRuntime;
      } catch (e) {
        g.regeneratorRuntime = undefined;
      }
    }

    /***/ }),
  /* 4 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";
    /* WEBPACK VAR INJECTION */(function(module) {

      let _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

      !function (global) {
        "use strict";

        let Op = Object.prototype;
        let hasOwn = Op.hasOwnProperty;
        let undefined;
        let $Symbol = typeof Symbol === "function" ? Symbol : {};
        let iteratorSymbol = $Symbol.iterator || "@@iterator";
        let asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
        let toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
        let inModule = ( false ? undefined : _typeof(module)) === "object";
        let runtime = global.regeneratorRuntime;
        if (runtime) {
          if (inModule) {
            module.exports = runtime;
          }
          return;
        }
        runtime = global.regeneratorRuntime = inModule ? module.exports : {};
        function wrap(innerFn, outerFn, self, tryLocsList) {
          let protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
          let generator = Object.create(protoGenerator.prototype);
          let context = new Context(tryLocsList || []);
          generator._invoke = makeInvokeMethod(innerFn, self, context);
          return generator;
        }
        runtime.wrap = wrap;
        function tryCatch(fn, obj, arg) {
          try {
            return {
              type: "normal",
              arg: fn.call(obj, arg),
            };
          } catch (err) {
            return {
              type: "throw",
              arg: err,
            };
          }
        }
        let GenStateSuspendedStart = "suspendedStart";
        let GenStateSuspendedYield = "suspendedYield";
        let GenStateExecuting = "executing";
        let GenStateCompleted = "completed";
        let ContinueSentinel = {};
        function Generator() {}
        function GeneratorFunction() {}
        function GeneratorFunctionPrototype() {}
        let IteratorPrototype = {};
        IteratorPrototype[iteratorSymbol] = function () {
          return this;
        };
        let getProto = Object.getPrototypeOf;
        let NativeIteratorPrototype = getProto && getProto(getProto(values([])));
        if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
          IteratorPrototype = NativeIteratorPrototype;
        }
        let Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
        GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
        GeneratorFunctionPrototype.constructor = GeneratorFunction;
        GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
        function defineIteratorMethods(prototype) {
          ["next", "throw", "return",].forEach(function (method) {
            prototype[method] = function (arg) {
              return this._invoke(method, arg);
            };
          });
        }
        runtime.isGeneratorFunction = function (genFun) {
          let ctor = typeof genFun === "function" && genFun.constructor;
          return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
        };
        runtime.mark = function (genFun) {
          if (Object.setPrototypeOf) {
            Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
          } else {
            genFun.__proto__ = GeneratorFunctionPrototype;
            if (!(toStringTagSymbol in genFun)) {
              genFun[toStringTagSymbol] = "GeneratorFunction";
            }
          }
          genFun.prototype = Object.create(Gp);
          return genFun;
        };
        runtime.awrap = function (arg) {
          return { __await: arg, };
        };
        function AsyncIterator(generator) {
          function invoke(method, arg, resolve, reject) {
            let record = tryCatch(generator[method], generator, arg);
            if (record.type === "throw") {
              reject(record.arg);
            } else {
              let result = record.arg;
              let value = result.value;
              if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && hasOwn.call(value, "__await")) {
                return Promise.resolve(value.__await).then(function (value) {
                  invoke("next", value, resolve, reject);
                }, function (err) {
                  invoke("throw", err, resolve, reject);
                });
              }
              return Promise.resolve(value).then(function (unwrapped) {
                result.value = unwrapped;
                resolve(result);
              }, reject);
            }
          }
          let previousPromise;
          function enqueue(method, arg) {
            function callInvokeWithMethodAndArg() {
              return new Promise(function (resolve, reject) {
                invoke(method, arg, resolve, reject);
              });
            }
            return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
          }
          this._invoke = enqueue;
        }
        defineIteratorMethods(AsyncIterator.prototype);
        AsyncIterator.prototype[asyncIteratorSymbol] = function () {
          return this;
        };
        runtime.AsyncIterator = AsyncIterator;
        runtime.async = function (innerFn, outerFn, self, tryLocsList) {
          let iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
          return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
            return result.done ? result.value : iter.next();
          });
        };
        function makeInvokeMethod(innerFn, self, context) {
          let state = GenStateSuspendedStart;
          return function invoke(method, arg) {
            if (state === GenStateExecuting) {
              throw new Error("Generator is already running");
            }
            if (state === GenStateCompleted) {
              if (method === "throw") {
                throw arg;
              }
              return doneResult();
            }
            context.method = method;
            context.arg = arg;
            while (true) {
              let delegate = context.delegate;
              if (delegate) {
                let delegateResult = maybeInvokeDelegate(delegate, context);
                if (delegateResult) {
                  if (delegateResult === ContinueSentinel) continue;
                  return delegateResult;
                }
              }
              if (context.method === "next") {
                context.sent = context._sent = context.arg;
              } else if (context.method === "throw") {
                if (state === GenStateSuspendedStart) {
                  state = GenStateCompleted;
                  throw context.arg;
                }
                context.dispatchException(context.arg);
              } else if (context.method === "return") {
                context.abrupt("return", context.arg);
              }
              state = GenStateExecuting;
              let record = tryCatch(innerFn, self, context);
              if (record.type === "normal") {
                state = context.done ? GenStateCompleted : GenStateSuspendedYield;
                if (record.arg === ContinueSentinel) {
                  continue;
                }
                return {
                  value: record.arg,
                  done: context.done,
                };
              } else if (record.type === "throw") {
                state = GenStateCompleted;
                context.method = "throw";
                context.arg = record.arg;
              }
            }
          };
        }
        function maybeInvokeDelegate(delegate, context) {
          let method = delegate.iterator[context.method];
          if (method === undefined) {
            context.delegate = null;
            if (context.method === "throw") {
              if (delegate.iterator.return) {
                context.method = "return";
                context.arg = undefined;
                maybeInvokeDelegate(delegate, context);
                if (context.method === "throw") {
                  return ContinueSentinel;
                }
              }
              context.method = "throw";
              context.arg = new TypeError("The iterator does not provide a 'throw' method");
            }
            return ContinueSentinel;
          }
          let record = tryCatch(method, delegate.iterator, context.arg);
          if (record.type === "throw") {
            context.method = "throw";
            context.arg = record.arg;
            context.delegate = null;
            return ContinueSentinel;
          }
          let info = record.arg;
          if (!info) {
            context.method = "throw";
            context.arg = new TypeError("iterator result is not an object");
            context.delegate = null;
            return ContinueSentinel;
          }
          if (info.done) {
            context[delegate.resultName] = info.value;
            context.next = delegate.nextLoc;
            if (context.method !== "return") {
              context.method = "next";
              context.arg = undefined;
            }
          } else {
            return info;
          }
          context.delegate = null;
          return ContinueSentinel;
        }
        defineIteratorMethods(Gp);
        Gp[toStringTagSymbol] = "Generator";
        Gp[iteratorSymbol] = function () {
          return this;
        };
        Gp.toString = function () {
          return "[object Generator]";
        };
        function pushTryEntry(locs) {
          let entry = { tryLoc: locs[0], };
          if (1 in locs) {
            entry.catchLoc = locs[1];
          }
          if (2 in locs) {
            entry.finallyLoc = locs[2];
            entry.afterLoc = locs[3];
          }
          this.tryEntries.push(entry);
        }
        function resetTryEntry(entry) {
          let record = entry.completion || {};
          record.type = "normal";
          delete record.arg;
          entry.completion = record;
        }
        function Context(tryLocsList) {
          this.tryEntries = [{ tryLoc: "root", },];
          tryLocsList.forEach(pushTryEntry, this);
          this.reset(true);
        }
        runtime.keys = function (object) {
          let keys = [];
          for (let key in object) {
            keys.push(key);
          }
          keys.reverse();
          return function next() {
            while (keys.length) {
              let key = keys.pop();
              if (key in object) {
                next.value = key;
                next.done = false;
                return next;
              }
            }
            next.done = true;
            return next;
          };
        };
        function values(iterable) {
          if (iterable) {
            let iteratorMethod = iterable[iteratorSymbol];
            if (iteratorMethod) {
              return iteratorMethod.call(iterable);
            }
            if (typeof iterable.next === "function") {
              return iterable;
            }
            if (!isNaN(iterable.length)) {
              let i = -1;
              let next = function next() {
                while (++i < iterable.length) {
                  if (hasOwn.call(iterable, i)) {
                    next.value = iterable[i];
                    next.done = false;
                    return next;
                  }
                }
                next.value = undefined;
                next.done = true;
                return next;
              };
              return next.next = next;
            }
          }
          return { next: doneResult, };
        }
        runtime.values = values;
        function doneResult() {
          return {
            value: undefined,
            done: true,
          };
        }
        Context.prototype = {
          constructor: Context,
          reset: function reset(skipTempReset) {
            this.prev = 0;
            this.next = 0;
            this.sent = this._sent = undefined;
            this.done = false;
            this.delegate = null;
            this.method = "next";
            this.arg = undefined;
            this.tryEntries.forEach(resetTryEntry);
            if (!skipTempReset) {
              for (let name in this) {
                if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
                  this[name] = undefined;
                }
              }
            }
          },
          stop: function stop() {
            this.done = true;
            let rootEntry = this.tryEntries[0];
            let rootRecord = rootEntry.completion;
            if (rootRecord.type === "throw") {
              throw rootRecord.arg;
            }
            return this.rval;
          },
          dispatchException: function dispatchException(exception) {
            if (this.done) {
              throw exception;
            }
            let context = this;
            function handle(loc, caught) {
              record.type = "throw";
              record.arg = exception;
              context.next = loc;
              if (caught) {
                context.method = "next";
                context.arg = undefined;
              }
              return !!caught;
            }
            for (let i = this.tryEntries.length - 1; i >= 0; --i) {
              let entry = this.tryEntries[i];
              var record = entry.completion;
              if (entry.tryLoc === "root") {
                return handle("end");
              }
              if (entry.tryLoc <= this.prev) {
                let hasCatch = hasOwn.call(entry, "catchLoc");
                let hasFinally = hasOwn.call(entry, "finallyLoc");
                if (hasCatch && hasFinally) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true);
                  } else if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc);
                  }
                } else if (hasCatch) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true);
                  }
                } else if (hasFinally) {
                  if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc);
                  }
                } else {
                  throw new Error("try statement without catch or finally");
                }
              }
            }
          },
          abrupt: function abrupt(type, arg) {
            for (let i = this.tryEntries.length - 1; i >= 0; --i) {
              let entry = this.tryEntries[i];
              if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
                var finallyEntry = entry;
                break;
              }
            }
            if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
              finallyEntry = null;
            }
            let record = finallyEntry ? finallyEntry.completion : {};
            record.type = type;
            record.arg = arg;
            if (finallyEntry) {
              this.method = "next";
              this.next = finallyEntry.finallyLoc;
              return ContinueSentinel;
            }
            return this.complete(record);
          },
          complete: function complete(record, afterLoc) {
            if (record.type === "throw") {
              throw record.arg;
            }
            if (record.type === "break" || record.type === "continue") {
              this.next = record.arg;
            } else if (record.type === "return") {
              this.rval = this.arg = record.arg;
              this.method = "return";
              this.next = "end";
            } else if (record.type === "normal" && afterLoc) {
              this.next = afterLoc;
            }
            return ContinueSentinel;
          },
          finish: function finish(finallyLoc) {
            for (let i = this.tryEntries.length - 1; i >= 0; --i) {
              let entry = this.tryEntries[i];
              if (entry.finallyLoc === finallyLoc) {
                this.complete(entry.completion, entry.afterLoc);
                resetTryEntry(entry);
                return ContinueSentinel;
              }
            }
          },
          "catch": function _catch(tryLoc) {
            for (let i = this.tryEntries.length - 1; i >= 0; --i) {
              let entry = this.tryEntries[i];
              if (entry.tryLoc === tryLoc) {
                let record = entry.completion;
                if (record.type === "throw") {
                  var thrown = record.arg;
                  resetTryEntry(entry);
                }
                return thrown;
              }
            }
            throw new Error("illegal catch attempt");
          },
          delegateYield: function delegateYield(iterable, resultName, nextLoc) {
            this.delegate = {
              iterator: values(iterable),
              resultName: resultName,
              nextLoc: nextLoc,
            };
            if (this.method === "next") {
              this.arg = undefined;
            }
            return ContinueSentinel;
          },
        };
      }(function () {
        return this;
      }() || Function("return this")());
      /* WEBPACK VAR INJECTION */ }.call(this, __webpack_require__(5)(module)));

    /***/ }),
  /* 5 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    module.exports = function (module) {
      if (!module.webpackPolyfill) {
        module.deprecate = function () {};
        module.paths = [];
        if (!module.children) module.children = [];
        Object.defineProperty(module, "loaded", {
          enumerable: true,
          get: function get() {
            return module.l;
          },
        });
        Object.defineProperty(module, "id", {
          enumerable: true,
          get: function get() {
            return module.i;
          },
        });
        module.webpackPolyfill = 1;
      }
      return module;
    };

    /***/ }),
  /* 6 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.moveToEndOfArray = exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.backtrackBeforeAllVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

    let _slicedToArray = function () { function sliceIterator(arr, i) { let _arr = []; let _n = true; let _d = false; let _e; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    let CSS_UNITS = 96.0 / 72.0;
    let DEFAULT_SCALE_VALUE = 'auto';
    let DEFAULT_SCALE = 1.0;
    let MIN_SCALE = 0.10;
    let MAX_SCALE = 10.0;
    let UNKNOWN_SCALE = 0;
    let MAX_AUTO_SCALE = 1.25;
    let SCROLLBAR_PADDING = 40;
    let VERTICAL_PADDING = 5;
    let PresentationModeState = {
      UNKNOWN: 0,
      NORMAL: 1,
      CHANGING: 2,
      FULLSCREEN: 3,
    };
    let RendererType = {
      CANVAS: 'canvas',
      SVG: 'svg',
    };
    let TextLayerMode = {
      DISABLE: 0,
      ENABLE: 1,
      ENABLE_ENHANCE: 2,
    };
    function formatL10nValue(text, args) {
      if (!args) {
        return text;
      }
      return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
        return name in args ? args[name] : '{{' + name + '}}';
      });
    }
    let NullL10n = {
      getLanguage: function () {
        let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee() {
          return _regenerator2.default.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
              case 0:
                return _context.abrupt('return', 'en-us');

              case 1:
              case 'end':
                return _context.stop();
              }
            }
          }, _callee, this);
        }));

        function getLanguage() {
          return _ref.apply(this, arguments);
        }

        return getLanguage;
      }(),
      getDirection: function () {
        let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2() {
          return _regenerator2.default.wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
              case 0:
                return _context2.abrupt('return', 'ltr');

              case 1:
              case 'end':
                return _context2.stop();
              }
            }
          }, _callee2, this);
        }));

        function getDirection() {
          return _ref2.apply(this, arguments);
        }

        return getDirection;
      }(),
      get: function () {
        let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
          return _regenerator2.default.wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
              case 0:
                return _context3.abrupt('return', formatL10nValue(fallback, args));

              case 1:
              case 'end':
                return _context3.stop();
              }
            }
          }, _callee3, this);
        }));

        function get(_x, _x2, _x3) {
          return _ref3.apply(this, arguments);
        }

        return get;
      }(),
      translate: function () {
        let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4(element) {
          return _regenerator2.default.wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
              case 0:
              case 'end':
                return _context4.stop();
              }
            }
          }, _callee4, this);
        }));

        function translate(_x4) {
          return _ref4.apply(this, arguments);
        }

        return translate;
      }(),
    };
    function getOutputScale(ctx) {
      let devicePixelRatio = window.devicePixelRatio || 1;
      let backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
      let pixelRatio = devicePixelRatio / backingStoreRatio;
      return {
        sx: pixelRatio,
        sy: pixelRatio,
        scaled: pixelRatio !== 1,
      };
    }
    function scrollIntoView(element, spot) {
      let skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      let parent = element.offsetParent;
      if (!parent) {
        console.error('offsetParent is not set -- cannot scroll');
        return;
      }
      let offsetY = element.offsetTop + element.clientTop;
      let offsetX = element.offsetLeft + element.clientLeft;
      while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
        if (parent.dataset._scaleY) {
          offsetY /= parent.dataset._scaleY;
          offsetX /= parent.dataset._scaleX;
        }
        offsetY += parent.offsetTop;
        offsetX += parent.offsetLeft;
        parent = parent.offsetParent;
        if (!parent) {
          return;
        }
      }
      if (spot) {
        if (spot.top !== undefined) {
          offsetY += spot.top;
        }
        if (spot.left !== undefined) {
          offsetX += spot.left;
          parent.scrollLeft = offsetX;
        }
      }
      parent.scrollTop = offsetY;
    }
    function watchScroll(viewAreaElement, callback) {
      let debounceScroll = function debounceScroll(evt) {
        if (rAF) {
          return;
        }
        rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
          rAF = null;
          let currentX = viewAreaElement.scrollLeft;
          let lastX = state.lastX;
          if (currentX !== lastX) {
            state.right = currentX > lastX;
          }
          state.lastX = currentX;
          let currentY = viewAreaElement.scrollTop;
          let lastY = state.lastY;
          if (currentY !== lastY) {
            state.down = currentY > lastY;
          }
          state.lastY = currentY;
          callback(state);
        });
      };
      var state = {
        right: true,
        down: true,
        lastX: viewAreaElement.scrollLeft,
        lastY: viewAreaElement.scrollTop,
        _eventHandler: debounceScroll,
      };
      var rAF = null;
      viewAreaElement.addEventListener('scroll', debounceScroll, true);
      return state;
    }
    function parseQueryString(query) {
      let parts = query.split('&');
      let params = Object.create(null);
      for (let i = 0, ii = parts.length; i < ii; ++i) {
        let param = parts[i].split('=');
        let key = param[0].toLowerCase();
        let value = param.length > 1 ? param[1] : null;
        params[decodeURIComponent(key)] = decodeURIComponent(value);
      }
      return params;
    }
    function binarySearchFirstItem(items, condition) {
      let minIndex = 0;
      let maxIndex = items.length - 1;
      if (items.length === 0 || !condition(items[maxIndex])) {
        return items.length;
      }
      if (condition(items[minIndex])) {
        return minIndex;
      }
      while (minIndex < maxIndex) {
        let currentIndex = minIndex + maxIndex >> 1;
        let currentItem = items[currentIndex];
        if (condition(currentItem)) {
          maxIndex = currentIndex;
        } else {
          minIndex = currentIndex + 1;
        }
      }
      return minIndex;
    }
    function approximateFraction(x) {
      if (Math.floor(x) === x) {
        return [x, 1,];
      }
      let xinv = 1 / x;
      let limit = 8;
      if (xinv > limit) {
        return [1, limit,];
      } else if (Math.floor(xinv) === xinv) {
        return [1, xinv,];
      }
      let x_ = x > 1 ? xinv : x;
      let a = 0;
      let b = 1;
      let c = 1;
      let d = 1;
      while (true) {
        let p = a + c;
        let q = b + d;
        if (q > limit) {
          break;
        }
        if (x_ <= p / q) {
          c = p;
          d = q;
        } else {
          a = p;
          b = q;
        }
      }
      let result = void 0;
      if (x_ - a / b < c / d - x_) {
        result = x_ === x ? [a, b,] : [b, a,];
      } else {
        result = x_ === x ? [c, d,] : [d, c,];
      }
      return result;
    }
    function roundToDivide(x, div) {
      let r = x % div;
      return r === 0 ? x : Math.round(x - r + div);
    }
    function getPageSizeInches(_ref5) {
      let view = _ref5.view;
      let userUnit = _ref5.userUnit;
      let rotate = _ref5.rotate;

      let _view = _slicedToArray(view, 4);
      let x1 = _view[0];
      let y1 = _view[1];
      let x2 = _view[2];
      let y2 = _view[3];

      let changeOrientation = rotate % 180 !== 0;
      let width = (x2 - x1) / 72 * userUnit;
      let height = (y2 - y1) / 72 * userUnit;
      return {
        width: changeOrientation ? height : width,
        height: changeOrientation ? width : height,
      };
    }
    function backtrackBeforeAllVisibleElements(index, views, top) {
      if (index < 2) {
        return index;
      }
      let elt = views[index].div;
      let pageTop = elt.offsetTop + elt.clientTop;
      if (pageTop >= top) {
        elt = views[index - 1].div;
        pageTop = elt.offsetTop + elt.clientTop;
      }
      for (let i = index - 2; i >= 0; --i) {
        elt = views[i].div;
        if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
          break;
        }
        index = i;
      }
      return index;
    }
    function getVisibleElements(scrollEl, views) {
      let sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      let horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

      let top = scrollEl.scrollTop;
      let bottom = top + scrollEl.clientHeight;
      let left = scrollEl.scrollLeft;
      let right = left + scrollEl.clientWidth;
      function isElementBottomAfterViewTop(view) {
        let element = view.div;
        let elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
        return elementBottom > top;
      }
      function isElementRightAfterViewLeft(view) {
        let element = view.div;
        let elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
        return elementRight > left;
      }
      let visible = [];
      let view = void 0;
      let element = void 0;
      let currentHeight = void 0;
      let viewHeight = void 0;
      let viewBottom = void 0;
      let hiddenHeight = void 0;
      let currentWidth = void 0;
      let viewWidth = void 0;
      let viewRight = void 0;
      let hiddenWidth = void 0;
      let percentVisible = void 0;
      let firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
      if (views.length > 0 && !horizontal) {
        firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
      }
      let lastEdge = horizontal ? right : -1;
      for (let i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
        view = views[i];
        element = view.div;
        currentWidth = element.offsetLeft + element.clientLeft;
        currentHeight = element.offsetTop + element.clientTop;
        viewWidth = element.clientWidth;
        viewHeight = element.clientHeight;
        viewRight = currentWidth + viewWidth;
        viewBottom = currentHeight + viewHeight;
        if (lastEdge === -1) {
          if (viewBottom >= bottom) {
            lastEdge = viewBottom;
          }
        } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
          break;
        }
        if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
          continue;
        }
        hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
        hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
        percentVisible = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
        visible.push({
          id: view.id,
          x: currentWidth,
          y: currentHeight,
          view: view,
          percent: percentVisible,
        });
      }
      let first = visible[0];
      let last = visible[visible.length - 1];
      if (sortByVisibility) {
        visible.sort(function (a, b) {
          let pc = a.percent - b.percent;
          if (Math.abs(pc) > 0.001) {
            return -pc;
          }
          return a.id - b.id;
        });
      }
      return {
        first: first,
        last: last,
        views: visible,
      };
    }
    function noContextMenuHandler(evt) {
      evt.preventDefault();
    }
    function isDataSchema(url) {
      let i = 0;
      let ii = url.length;
      while (i < ii && url[i].trim() === '') {
        i++;
      }
      return url.substring(i, i + 5).toLowerCase() === 'data:';
    }
    function getPDFFileNameFromURL(url) {
      let defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';

      if (typeof url !== 'string') {
        return defaultFilename;
      }
      if (isDataSchema(url)) {
        console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.');
        return defaultFilename;
      }
      let reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
      let reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
      let splitURI = reURI.exec(url);
      let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
      if (suggestedFilename) {
        suggestedFilename = suggestedFilename[0];
        if (suggestedFilename.includes('%')) {
          try {
            suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
          } catch (ex) {}
        }
      }
      return suggestedFilename || defaultFilename;
    }
    function normalizeWheelEventDelta(evt) {
      let delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
      let angle = Math.atan2(evt.deltaY, evt.deltaX);
      if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
        delta = -delta;
      }
      let MOUSE_DOM_DELTA_PIXEL_MODE = 0;
      let MOUSE_DOM_DELTA_LINE_MODE = 1;
      let MOUSE_PIXELS_PER_LINE = 30;
      let MOUSE_LINES_PER_PAGE = 30;
      if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
        delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
      } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
        delta /= MOUSE_LINES_PER_PAGE;
      }
      return delta;
    }
    function isValidRotation(angle) {
      return Number.isInteger(angle) && angle % 90 === 0;
    }
    function isPortraitOrientation(size) {
      return size.width <= size.height;
    }
    let WaitOnType = {
      EVENT: 'event',
      TIMEOUT: 'timeout',
    };
    function waitOnEventOrTimeout(_ref6) {
      let target = _ref6.target;
      let name = _ref6.name;
      let _ref6$delay = _ref6.delay;
      let delay = _ref6$delay === undefined ? 0 : _ref6$delay;

      return new Promise(function (resolve, reject) {
        if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
          throw new Error('waitOnEventOrTimeout - invalid parameters.');
        }
        function handler(type) {
          if (target instanceof EventBus) {
            target.off(name, eventHandler);
          } else {
            target.removeEventListener(name, eventHandler);
          }
          if (timeout) {
            clearTimeout(timeout);
          }
          resolve(type);
        }
        var eventHandler = handler.bind(null, WaitOnType.EVENT);
        if (target instanceof EventBus) {
          target.on(name, eventHandler);
        } else {
          target.addEventListener(name, eventHandler);
        }
        let timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
        var timeout = setTimeout(timeoutHandler, delay);
      });
    }
    let animationStarted = new Promise(function (resolve) {
      window.requestAnimationFrame(resolve);
    });

    var EventBus = function () {
      function EventBus() {
        let _ref7 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        let _ref7$dispatchToDOM = _ref7.dispatchToDOM;
        let dispatchToDOM = _ref7$dispatchToDOM === undefined ? false : _ref7$dispatchToDOM;

        _classCallCheck(this, EventBus);

        this._listeners = Object.create(null);
        this._dispatchToDOM = dispatchToDOM === true;
      }

      _createClass(EventBus, [{
        key: 'on',
        value: function on(eventName, listener) {
          let eventListeners = this._listeners[eventName];
          if (!eventListeners) {
            eventListeners = [];
            this._listeners[eventName] = eventListeners;
          }
          eventListeners.push(listener);
        },
      }, {
        key: 'off',
        value: function off(eventName, listener) {
          let eventListeners = this._listeners[eventName];
          let i = void 0;
          if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
            return;
          }
          eventListeners.splice(i, 1);
        },
      }, {
        key: 'dispatch',
        value: function dispatch(eventName) {
          let eventListeners = this._listeners[eventName];
          if (!eventListeners || eventListeners.length === 0) {
            if (this._dispatchToDOM) {
              let _args5 = Array.prototype.slice.call(arguments, 1);
              this._dispatchDOMEvent(eventName, _args5);
            }
            return;
          }
          let args = Array.prototype.slice.call(arguments, 1);
          eventListeners.slice(0).forEach(function (listener) {
            listener.apply(null, args);
          });
          if (this._dispatchToDOM) {
            this._dispatchDOMEvent(eventName, args);
          }
        },
      }, {
        key: '_dispatchDOMEvent',
        value: function _dispatchDOMEvent(eventName) {
          let args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

          if (!this._dispatchToDOM) {
            return;
          }
          let details = Object.create(null);
          if (args && args.length > 0) {
            let obj = args[0];
            for (let key in obj) {
              let value = obj[key];
              if (key === 'source') {
                if (value === window || value === document) {
                  return;
                }
                continue;
              }
              details[key] = value;
            }
          }
          let event = document.createEvent('CustomEvent');
          event.initCustomEvent(eventName, true, true, details);
          document.dispatchEvent(event);
        },
      },]);

      return EventBus;
    }();

    function clamp(v, min, max) {
      return Math.min(Math.max(v, min), max);
    }

    let ProgressBar = function () {
      function ProgressBar(id) {
        let _ref8 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
        let height = _ref8.height;
        let width = _ref8.width;
        let units = _ref8.units;

        _classCallCheck(this, ProgressBar);

        this.visible = true;
        this.div = document.querySelector(id + ' .progress');
        this.bar = this.div.parentNode;
        this.height = height || 100;
        this.width = width || 100;
        this.units = units || '%';
        this.div.style.height = this.height + this.units;
        this.percent = 0;
      }

      _createClass(ProgressBar, [{
        key: '_updateBar',
        value: function _updateBar() {
          if (this._indeterminate) {
            this.div.classList.add('indeterminate');
            this.div.style.width = this.width + this.units;
            return;
          }
          this.div.classList.remove('indeterminate');
          let progressSize = this.width * this._percent / 100;
          this.div.style.width = progressSize + this.units;
        },
      }, {
        key: 'setWidth',
        value: function setWidth(viewer) {
          if (!viewer) {
            return;
          }
          let container = viewer.parentNode;
          let scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
          if (scrollbarWidth > 0) {
            this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
          }
        },
      }, {
        key: 'hide',
        value: function hide() {
          if (!this.visible) {
            return;
          }
          this.visible = false;
          this.bar.classList.add('hidden');
          document.body.classList.remove('loadingInProgress');
        },
      }, {
        key: 'show',
        value: function show() {
          if (this.visible) {
            return;
          }
          this.visible = true;
          document.body.classList.add('loadingInProgress');
          this.bar.classList.remove('hidden');
        },
      }, {
        key: 'percent',
        get: function get() {
          return this._percent;
        },
        set: function set(val) {
          this._indeterminate = isNaN(val);
          this._percent = clamp(val, 0, 100);
          this._updateBar();
        },
      },]);

      return ProgressBar;
    }();

    function moveToEndOfArray(arr, condition) {
      let moved = [];
      let len = arr.length;
      let write = 0;
      for (let read = 0; read < len; ++read) {
        if (condition(arr[read])) {
          moved.push(arr[read]);
        } else {
          arr[write] = arr[read];
          ++write;
        }
      }
      for (let _read = 0; write < len; ++_read, ++write) {
        arr[write] = moved[_read];
      }
    }
    exports.CSS_UNITS = CSS_UNITS;
    exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
    exports.DEFAULT_SCALE = DEFAULT_SCALE;
    exports.MIN_SCALE = MIN_SCALE;
    exports.MAX_SCALE = MAX_SCALE;
    exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
    exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
    exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
    exports.VERTICAL_PADDING = VERTICAL_PADDING;
    exports.isValidRotation = isValidRotation;
    exports.isPortraitOrientation = isPortraitOrientation;
    exports.PresentationModeState = PresentationModeState;
    exports.RendererType = RendererType;
    exports.TextLayerMode = TextLayerMode;
    exports.NullL10n = NullL10n;
    exports.EventBus = EventBus;
    exports.ProgressBar = ProgressBar;
    exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
    exports.noContextMenuHandler = noContextMenuHandler;
    exports.parseQueryString = parseQueryString;
    exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
    exports.getVisibleElements = getVisibleElements;
    exports.roundToDivide = roundToDivide;
    exports.getPageSizeInches = getPageSizeInches;
    exports.approximateFraction = approximateFraction;
    exports.getOutputScale = getOutputScale;
    exports.scrollIntoView = scrollIntoView;
    exports.watchScroll = watchScroll;
    exports.binarySearchFirstItem = binarySearchFirstItem;
    exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
    exports.animationStarted = animationStarted;
    exports.WaitOnType = WaitOnType;
    exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
    exports.moveToEndOfArray = moveToEndOfArray;

    /***/ }),
  /* 7 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    let pdfjsLib = void 0;
    if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
      pdfjsLib = window['pdfjs-dist/build/pdf'];
    } else {
      pdfjsLib = require('../build/pdf.js');
    }
    module.exports = pdfjsLib;

    /***/ }),
  /* 8 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFCursorTools = exports.CursorTool = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _grab_to_pan = __webpack_require__(9);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let CursorTool = {
      SELECT: 0,
      HAND: 1,
      ZOOM: 2,
    };

    let PDFCursorTools = function () {
      function PDFCursorTools(_ref) {
        let _this = this;

        let container = _ref.container;
        let eventBus = _ref.eventBus;
        let _ref$cursorToolOnLoad = _ref.cursorToolOnLoad;
        let cursorToolOnLoad = _ref$cursorToolOnLoad === undefined ? CursorTool.SELECT : _ref$cursorToolOnLoad;

        _classCallCheck(this, PDFCursorTools);

        this.container = container;
        this.eventBus = eventBus;
        this.active = CursorTool.SELECT;
        this.activeBeforePresentationMode = null;
        this.handTool = new _grab_to_pan.GrabToPan({ element: this.container, });
        this._addEventListeners();
        Promise.resolve().then(function () {
          _this.switchTool(cursorToolOnLoad);
        });
      }

      _createClass(PDFCursorTools, [{
        key: 'switchTool',
        value: function switchTool(tool) {
          let _this2 = this;

          if (this.activeBeforePresentationMode !== null) {
            return;
          }
          if (tool === this.active) {
            return;
          }
          let disableActiveTool = function disableActiveTool() {
            switch (_this2.active) {
            case CursorTool.SELECT:
              break;
            case CursorTool.HAND:
              _this2.handTool.deactivate();
              break;
            case CursorTool.ZOOM:
            }
          };
          switch (tool) {
          case CursorTool.SELECT:
            disableActiveTool();
            break;
          case CursorTool.HAND:
            disableActiveTool();
            this.handTool.activate();
            break;
          case CursorTool.ZOOM:
          default:
            console.error('switchTool: "' + tool + '" is an unsupported value.');
            return;
          }
          this.active = tool;
          this._dispatchEvent();
        },
      }, {
        key: '_dispatchEvent',
        value: function _dispatchEvent() {
          this.eventBus.dispatch('cursortoolchanged', {
            source: this,
            tool: this.active,
          });
        },
      }, {
        key: '_addEventListeners',
        value: function _addEventListeners() {
          let _this3 = this;

          this.eventBus.on('switchcursortool', function (evt) {
            _this3.switchTool(evt.tool);
          });
          this.eventBus.on('presentationmodechanged', function (evt) {
            if (evt.switchInProgress) {
              return;
            }
            let previouslyActive = void 0;
            if (evt.active) {
              previouslyActive = _this3.active;
              _this3.switchTool(CursorTool.SELECT);
              _this3.activeBeforePresentationMode = previouslyActive;
            } else {
              previouslyActive = _this3.activeBeforePresentationMode;
              _this3.activeBeforePresentationMode = null;
              _this3.switchTool(previouslyActive);
            }
          });
        },
      }, {
        key: 'activeTool',
        get: function get() {
          return this.active;
        },
      },]);

      return PDFCursorTools;
    }();

    exports.CursorTool = CursorTool;
    exports.PDFCursorTools = PDFCursorTools;

    /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    function GrabToPan(options) {
      this.element = options.element;
      this.document = options.element.ownerDocument;
      if (typeof options.ignoreTarget === 'function') {
        this.ignoreTarget = options.ignoreTarget;
      }
      this.onActiveChanged = options.onActiveChanged;
      this.activate = this.activate.bind(this);
      this.deactivate = this.deactivate.bind(this);
      this.toggle = this.toggle.bind(this);
      this._onmousedown = this._onmousedown.bind(this);
      this._onmousemove = this._onmousemove.bind(this);
      this._endPan = this._endPan.bind(this);
      let overlay = this.overlay = document.createElement('div');
      overlay.className = 'grab-to-pan-grabbing';
    }
    GrabToPan.prototype = {
      CSS_CLASS_GRAB: 'grab-to-pan-grab',
      activate: function GrabToPan_activate() {
        if (!this.active) {
          this.active = true;
          this.element.addEventListener('mousedown', this._onmousedown, true);
          this.element.classList.add(this.CSS_CLASS_GRAB);
          if (this.onActiveChanged) {
            this.onActiveChanged(true);
          }
        }
      },
      deactivate: function GrabToPan_deactivate() {
        if (this.active) {
          this.active = false;
          this.element.removeEventListener('mousedown', this._onmousedown, true);
          this._endPan();
          this.element.classList.remove(this.CSS_CLASS_GRAB);
          if (this.onActiveChanged) {
            this.onActiveChanged(false);
          }
        }
      },
      toggle: function GrabToPan_toggle() {
        if (this.active) {
          this.deactivate();
        } else {
          this.activate();
        }
      },
      ignoreTarget: function GrabToPan_ignoreTarget(node) {
        return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
      },
      _onmousedown: function GrabToPan__onmousedown(event) {
        if (event.button !== 0 || this.ignoreTarget(event.target)) {
          return;
        }
        if (event.originalTarget) {
          try {
            event.originalTarget.tagName;
          } catch (e) {
            return;
          }
        }
        this.scrollLeftStart = this.element.scrollLeft;
        this.scrollTopStart = this.element.scrollTop;
        this.clientXStart = event.clientX;
        this.clientYStart = event.clientY;
        this.document.addEventListener('mousemove', this._onmousemove, true);
        this.document.addEventListener('mouseup', this._endPan, true);
        this.element.addEventListener('scroll', this._endPan, true);
        event.preventDefault();
        event.stopPropagation();
        let focusedElement = document.activeElement;
        if (focusedElement && !focusedElement.contains(event.target)) {
          focusedElement.blur();
        }
      },
      _onmousemove: function GrabToPan__onmousemove(event) {
        this.element.removeEventListener('scroll', this._endPan, true);
        if (isLeftMouseReleased(event)) {
          this._endPan();
          return;
        }
        let xDiff = event.clientX - this.clientXStart;
        let yDiff = event.clientY - this.clientYStart;
        let scrollTop = this.scrollTopStart - yDiff;
        let scrollLeft = this.scrollLeftStart - xDiff;
        if (this.element.scrollTo) {
          this.element.scrollTo({
            top: scrollTop,
            left: scrollLeft,
            behavior: 'instant',
          });
        } else {
          this.element.scrollTop = scrollTop;
          this.element.scrollLeft = scrollLeft;
        }
        if (!this.overlay.parentNode) {
          document.body.appendChild(this.overlay);
        }
      },
      _endPan: function GrabToPan__endPan() {
        this.element.removeEventListener('scroll', this._endPan, true);
        this.document.removeEventListener('mousemove', this._onmousemove, true);
        this.document.removeEventListener('mouseup', this._endPan, true);
        this.overlay.remove();
      },
    };
    let matchesSelector;
    ['webkitM', 'mozM', 'msM', 'oM', 'm',].some(function (prefix) {
      let name = prefix + 'atches';
      if (name in document.documentElement) {
        matchesSelector = name;
      }
      name += 'Selector';
      if (name in document.documentElement) {
        matchesSelector = name;
      }
      return matchesSelector;
    });
    let isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
    let chrome = window.chrome;
    let isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
    let isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
    function isLeftMouseReleased(event) {
      if ('buttons' in event && isNotIEorIsIE10plus) {
        return !(event.buttons & 1);
      }
      if (isChrome15OrOpera15plus || isSafari6plus) {
        return event.which === 0;
      }
    }
    exports.GrabToPan = GrabToPan;

    /***/ }),
  /* 10 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let CLEANUP_TIMEOUT = 30000;
    let RenderingStates = {
      INITIAL: 0,
      RUNNING: 1,
      PAUSED: 2,
      FINISHED: 3,
    };

    let PDFRenderingQueue = function () {
      function PDFRenderingQueue() {
        _classCallCheck(this, PDFRenderingQueue);

        this.pdfViewer = null;
        this.pdfThumbnailViewer = null;
        this.onIdle = null;
        this.highestPriorityPage = null;
        this.idleTimeout = null;
        this.printing = false;
        this.isThumbnailViewEnabled = false;
      }

      _createClass(PDFRenderingQueue, [{
        key: "setViewer",
        value: function setViewer(pdfViewer) {
          this.pdfViewer = pdfViewer;
        },
      }, {
        key: "setThumbnailViewer",
        value: function setThumbnailViewer(pdfThumbnailViewer) {
          this.pdfThumbnailViewer = pdfThumbnailViewer;
        },
      }, {
        key: "isHighestPriority",
        value: function isHighestPriority(view) {
          return this.highestPriorityPage === view.renderingId;
        },
      }, {
        key: "renderHighestPriority",
        value: function renderHighestPriority(currentlyVisiblePages) {
          if (this.idleTimeout) {
            clearTimeout(this.idleTimeout);
            this.idleTimeout = null;
          }
          if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
            return;
          }
          if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
            if (this.pdfThumbnailViewer.forceRendering()) {
              return;
            }
          }
          if (this.printing) {
            return;
          }
          if (this.onIdle) {
            this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
          }
        },
      }, {
        key: "getHighestPriority",
        value: function getHighestPriority(visible, views, scrolledDown) {
          let visibleViews = visible.views;
          let numVisible = visibleViews.length;
          if (numVisible === 0) {
            return false;
          }
          for (let i = 0; i < numVisible; ++i) {
            let view = visibleViews[i].view;
            if (!this.isViewFinished(view)) {
              return view;
            }
          }
          if (scrolledDown) {
            let nextPageIndex = visible.last.id;
            if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
              return views[nextPageIndex];
            }
          } else {
            let previousPageIndex = visible.first.id - 2;
            if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
              return views[previousPageIndex];
            }
          }
          return null;
        },
      }, {
        key: "isViewFinished",
        value: function isViewFinished(view) {
          return view.renderingState === RenderingStates.FINISHED;
        },
      }, {
        key: "renderView",
        value: function renderView(view) {
          let _this = this;

          switch (view.renderingState) {
          case RenderingStates.FINISHED:
            return false;
          case RenderingStates.PAUSED:
            this.highestPriorityPage = view.renderingId;
            view.resume();
            break;
          case RenderingStates.RUNNING:
            this.highestPriorityPage = view.renderingId;
            break;
          case RenderingStates.INITIAL:
            this.highestPriorityPage = view.renderingId;
            var continueRendering = function continueRendering() {
              _this.renderHighestPriority();
            };
            view.draw().then(continueRendering, continueRendering);
            break;
          }
          return true;
        },
      },]);

      return PDFRenderingQueue;
    }();

    exports.RenderingStates = RenderingStates;
    exports.PDFRenderingQueue = PDFRenderingQueue;

    /***/ }),
  /* 11 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFSidebar = exports.SidebarView = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdf_rendering_queue = __webpack_require__(10);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
    let SidebarView = {
      NONE: 0,
      THUMBS: 1,
      OUTLINE: 2,
      ATTACHMENTS: 3,
    };

    let PDFSidebar = function () {
      function PDFSidebar(options, eventBus) {
        let l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

        _classCallCheck(this, PDFSidebar);

        this.isOpen = false;
        this.active = SidebarView.THUMBS;
        this.isInitialViewSet = false;
        this.onToggled = null;
        this.pdfViewer = options.pdfViewer;
        this.pdfThumbnailViewer = options.pdfThumbnailViewer;
        this.outerContainer = options.outerContainer;
        this.viewerContainer = options.viewerContainer;
        this.toggleButton = options.toggleButton;
        this.thumbnailButton = options.thumbnailButton;
        this.outlineButton = options.outlineButton;
        this.attachmentsButton = options.attachmentsButton;
        this.thumbnailView = options.thumbnailView;
        this.outlineView = options.outlineView;
        this.attachmentsView = options.attachmentsView;
        this.disableNotification = options.disableNotification || false;
        this.eventBus = eventBus;
        this.l10n = l10n;
        this._addEventListeners();
      }

      _createClass(PDFSidebar, [{
        key: 'reset',
        value: function reset() {
          this.isInitialViewSet = false;
          this._hideUINotification(null);
          this.switchView(SidebarView.THUMBS);
          this.outlineButton.disabled = false;
          this.attachmentsButton.disabled = false;
        },
      }, {
        key: 'setInitialView',
        value: function setInitialView() {
          let view = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : SidebarView.NONE;

          if (this.isInitialViewSet) {
            return;
          }
          this.isInitialViewSet = true;
          if (this.isOpen && view === SidebarView.NONE) {
            this._dispatchEvent();
            return;
          }
          let isViewPreserved = view === this.visibleView;
          this.switchView(view, true);
          if (isViewPreserved) {
            this._dispatchEvent();
          }
        },
      }, {
        key: 'switchView',
        value: function switchView(view) {
          let forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          if (view === SidebarView.NONE) {
            this.close();
            return;
          }
          let isViewChanged = view !== this.active;
          let shouldForceRendering = false;
          switch (view) {
          case SidebarView.THUMBS:
            this.thumbnailButton.classList.add('toggled');
            this.outlineButton.classList.remove('toggled');
            this.attachmentsButton.classList.remove('toggled');
            this.thumbnailView.classList.remove('hidden');
            this.outlineView.classList.add('hidden');
            this.attachmentsView.classList.add('hidden');
            if (this.isOpen && isViewChanged) {
              this._updateThumbnailViewer();
              shouldForceRendering = true;
            }
            break;
          case SidebarView.OUTLINE:
            if (this.outlineButton.disabled) {
              return;
            }
            this.thumbnailButton.classList.remove('toggled');
            this.outlineButton.classList.add('toggled');
            this.attachmentsButton.classList.remove('toggled');
            this.thumbnailView.classList.add('hidden');
            this.outlineView.classList.remove('hidden');
            this.attachmentsView.classList.add('hidden');
            break;
          case SidebarView.ATTACHMENTS:
            if (this.attachmentsButton.disabled) {
              return;
            }
            this.thumbnailButton.classList.remove('toggled');
            this.outlineButton.classList.remove('toggled');
            this.attachmentsButton.classList.add('toggled');
            this.thumbnailView.classList.add('hidden');
            this.outlineView.classList.add('hidden');
            this.attachmentsView.classList.remove('hidden');
            break;
          default:
            console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
            return;
          }
          this.active = view | 0;
          if (forceOpen && !this.isOpen) {
            this.open();
            return;
          }
          if (shouldForceRendering) {
            this._forceRendering();
          }
          if (isViewChanged) {
            this._dispatchEvent();
          }
          this._hideUINotification(this.active);
        },
      }, {
        key: 'open',
        value: function open() {
          if (this.isOpen) {
            return;
          }
          this.isOpen = true;
          this.toggleButton.classList.add('toggled');
          this.outerContainer.classList.add('sidebarMoving');
          this.outerContainer.classList.add('sidebarOpen');
          if (this.active === SidebarView.THUMBS) {
            this._updateThumbnailViewer();
          }
          this._forceRendering();
          this._dispatchEvent();
          this._hideUINotification(this.active);
        },
      }, {
        key: 'close',
        value: function close() {
          if (!this.isOpen) {
            return;
          }
          this.isOpen = false;
          this.toggleButton.classList.remove('toggled');
          this.outerContainer.classList.add('sidebarMoving');
          this.outerContainer.classList.remove('sidebarOpen');
          this._forceRendering();
          this._dispatchEvent();
        },
      }, {
        key: 'toggle',
        value: function toggle() {
          if (this.isOpen) {
            this.close();
          } else {
            this.open();
          }
        },
      }, {
        key: '_dispatchEvent',
        value: function _dispatchEvent() {
          this.eventBus.dispatch('sidebarviewchanged', {
            source: this,
            view: this.visibleView,
          });
        },
      }, {
        key: '_forceRendering',
        value: function _forceRendering() {
          if (this.onToggled) {
            this.onToggled();
          } else {
            this.pdfViewer.forceRendering();
            this.pdfThumbnailViewer.forceRendering();
          }
        },
      }, {
        key: '_updateThumbnailViewer',
        value: function _updateThumbnailViewer() {
          let pdfViewer = this.pdfViewer;
          let pdfThumbnailViewer = this.pdfThumbnailViewer;

          let pagesCount = pdfViewer.pagesCount;
          for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
            let pageView = pdfViewer.getPageView(pageIndex);
            if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
              let thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
              thumbnailView.setImage(pageView);
            }
          }
          pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
        },
      }, {
        key: '_showUINotification',
        value: function _showUINotification(view) {
          let _this = this;

          if (this.disableNotification) {
            return;
          }
          this.l10n.get('toggle_sidebar_notification.title', null, 'Toggle Sidebar (document contains outline/attachments)').then(function (msg) {
            _this.toggleButton.title = msg;
          });
          if (!this.isOpen) {
            this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
          } else if (view === this.active) {
            return;
          }
          switch (view) {
          case SidebarView.OUTLINE:
            this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
            break;
          case SidebarView.ATTACHMENTS:
            this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
            break;
          }
        },
      }, {
        key: '_hideUINotification',
        value: function _hideUINotification(view) {
          let _this2 = this;

          if (this.disableNotification) {
            return;
          }
          let removeNotification = function removeNotification(view) {
            switch (view) {
            case SidebarView.OUTLINE:
              _this2.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);
              break;
            case SidebarView.ATTACHMENTS:
              _this2.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);
              break;
            }
          };
          if (!this.isOpen && view !== null) {
            return;
          }
          this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
          if (view !== null) {
            removeNotification(view);
            return;
          }
          for (view in SidebarView) {
            removeNotification(SidebarView[view]);
          }
          this.l10n.get('toggle_sidebar.title', null, 'Toggle Sidebar').then(function (msg) {
            _this2.toggleButton.title = msg;
          });
        },
      }, {
        key: '_addEventListeners',
        value: function _addEventListeners() {
          let _this3 = this;

          this.viewerContainer.addEventListener('transitionend', function (evt) {
            if (evt.target === _this3.viewerContainer) {
              _this3.outerContainer.classList.remove('sidebarMoving');
            }
          });
          this.thumbnailButton.addEventListener('click', function () {
            _this3.switchView(SidebarView.THUMBS);
          });
          this.outlineButton.addEventListener('click', function () {
            _this3.switchView(SidebarView.OUTLINE);
          });
          this.outlineButton.addEventListener('dblclick', function () {
            _this3.eventBus.dispatch('toggleoutlinetree', { source: _this3, });
          });
          this.attachmentsButton.addEventListener('click', function () {
            _this3.switchView(SidebarView.ATTACHMENTS);
          });
          this.eventBus.on('outlineloaded', function (evt) {
            let outlineCount = evt.outlineCount;
            _this3.outlineButton.disabled = !outlineCount;
            if (outlineCount) {
              _this3._showUINotification(SidebarView.OUTLINE);
            } else if (_this3.active === SidebarView.OUTLINE) {
              _this3.switchView(SidebarView.THUMBS);
            }
          });
          this.eventBus.on('attachmentsloaded', function (evt) {
            if (evt.attachmentsCount) {
              _this3.attachmentsButton.disabled = false;
              _this3._showUINotification(SidebarView.ATTACHMENTS);
              return;
            }
            Promise.resolve().then(function () {
              if (_this3.attachmentsView.hasChildNodes()) {
                return;
              }
              _this3.attachmentsButton.disabled = true;
              if (_this3.active === SidebarView.ATTACHMENTS) {
                _this3.switchView(SidebarView.THUMBS);
              }
            });
          });
          this.eventBus.on('presentationmodechanged', function (evt) {
            if (!evt.active && !evt.switchInProgress && _this3.isThumbnailViewVisible) {
              _this3._updateThumbnailViewer();
            }
          });
        },
      }, {
        key: 'visibleView',
        get: function get() {
          return this.isOpen ? this.active : SidebarView.NONE;
        },
      }, {
        key: 'isThumbnailViewVisible',
        get: function get() {
          return this.isOpen && this.active === SidebarView.THUMBS;
        },
      }, {
        key: 'isOutlineViewVisible',
        get: function get() {
          return this.isOpen && this.active === SidebarView.OUTLINE;
        },
      }, {
        key: 'isAttachmentsViewVisible',
        get: function get() {
          return this.isOpen && this.active === SidebarView.ATTACHMENTS;
        },
      },]);

      return PDFSidebar;
    }();

    exports.SidebarView = SidebarView;
    exports.PDFSidebar = PDFSidebar;

    /***/ }),
  /* 12 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.OptionKind = exports.AppOptions = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    let _viewer_compatibility = __webpack_require__(13);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let OptionKind = {
      VIEWER: 'viewer',
      API: 'api',
      WORKER: 'worker',
    };
    let defaultOptions = {
      cursorToolOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER,
      },
      defaultUrl: {
        value: 'compressed.tracemonkey-pldi-09.pdf',
        kind: OptionKind.VIEWER,
      },
      defaultZoomValue: {
        value: '',
        kind: OptionKind.VIEWER,
      },
      disableHistory: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      disablePageLabels: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      disablePageMode: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      enablePrintAutoRotate: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      enableWebGL: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      eventBusDispatchToDOM: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      externalLinkRel: {
        value: 'noopener noreferrer nofollow',
        kind: OptionKind.VIEWER,
      },
      externalLinkTarget: {
        value: 0,
        kind: OptionKind.VIEWER,
      },
      imageResourcesPath: {
        value: './images/',
        kind: OptionKind.VIEWER,
      },
      maxCanvasPixels: {
        value: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216,
        kind: OptionKind.VIEWER,
      },
      pdfBugEnabled: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      renderer: {
        value: 'canvas',
        kind: OptionKind.VIEWER,
      },
      renderInteractiveForms: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      showPreviousViewOnLoad: {
        value: true,
        kind: OptionKind.VIEWER,
      },
      sidebarViewOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER,
      },
      scrollModeOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER,
      },
      spreadModeOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER,
      },
      textLayerMode: {
        value: 1,
        kind: OptionKind.VIEWER,
      },
      useOnlyCssZoom: {
        value: false,
        kind: OptionKind.VIEWER,
      },
      cMapPacked: {
        value: true,
        kind: OptionKind.API,
      },
      cMapUrl: {
        value: '../web/cmaps/',
        kind: OptionKind.API,
      },
      disableAutoFetch: {
        value: false,
        kind: OptionKind.API,
      },
      disableCreateObjectURL: {
        value: _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false,
        kind: OptionKind.API,
      },
      disableFontFace: {
        value: false,
        kind: OptionKind.API,
      },
      disableRange: {
        value: false,
        kind: OptionKind.API,
      },
      disableStream: {
        value: false,
        kind: OptionKind.API,
      },
      isEvalSupported: {
        value: true,
        kind: OptionKind.API,
      },
      maxImageSize: {
        value: -1,
        kind: OptionKind.API,
      },
      pdfBug: {
        value: false,
        kind: OptionKind.API,
      },
      postMessageTransfers: {
        value: true,
        kind: OptionKind.API,
      },
      verbosity: {
        value: 1,
        kind: OptionKind.API,
      },
      workerPort: {
        value: null,
        kind: OptionKind.WORKER,
      },
      workerSrc: {
        value: '../build/pdf.worker.js',
        kind: OptionKind.WORKER,
      },
    };
    {
      defaultOptions.locale = {
        value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
        kind: OptionKind.VIEWER,
      };
    }
    let userOptions = Object.create(null);

    let AppOptions = function () {
      function AppOptions() {
        _classCallCheck(this, AppOptions);

        throw new Error('Cannot initialize AppOptions.');
      }

      _createClass(AppOptions, null, [{
        key: 'get',
        value: function get(name) {
          let defaultOption = defaultOptions[name];
          let userOption = userOptions[name];
          if (userOption !== undefined) {
            return userOption;
          }
          return defaultOption !== undefined ? defaultOption.value : undefined;
        },
      }, {
        key: 'getAll',
        value: function getAll() {
          let kind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

          let options = Object.create(null);
          for (let name in defaultOptions) {
            let defaultOption = defaultOptions[name];
            let userOption = userOptions[name];
            if (kind && defaultOption.kind !== kind) {
              continue;
            }
            options[name] = userOption !== undefined ? userOption : defaultOption.value;
          }
          return options;
        },
      }, {
        key: 'set',
        value: function set(name, value) {
          userOptions[name] = value;
        },
      }, {
        key: 'remove',
        value: function remove(name) {
          delete userOptions[name];
        },
      },]);

      return AppOptions;
    }();

    exports.AppOptions = AppOptions;
    exports.OptionKind = OptionKind;

    /***/ }),
  /* 13 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    let compatibilityParams = Object.create(null);
    {
      let userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
      let isAndroid = /Android/.test(userAgent);
      let isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
      (function checkCanvasSizeLimitation() {
        if (isIOS || isAndroid) {
          compatibilityParams.maxCanvasPixels = 5242880;
        }
      })();
    }
    exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);

    /***/ }),
  /* 14 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.getGlobalEventBus = exports.attachDOMEventsToEventBus = undefined;

    let _ui_utils = __webpack_require__(6);

    function attachDOMEventsToEventBus(eventBus) {
      eventBus.on('documentload', function () {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('documentload', true, true, {});
        window.dispatchEvent(event);
      });
      eventBus.on('pagerendered', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('pagerendered', true, true, {
          pageNumber: evt.pageNumber,
          cssTransform: evt.cssTransform,
        });
        evt.source.div.dispatchEvent(event);
      });
      eventBus.on('textlayerrendered', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('textlayerrendered', true, true, { pageNumber: evt.pageNumber, });
        evt.source.textLayerDiv.dispatchEvent(event);
      });
      eventBus.on('pagechange', function (evt) {
        let event = document.createEvent('UIEvents');
        event.initUIEvent('pagechange', true, true, window, 0);
        event.pageNumber = evt.pageNumber;
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('pagesinit', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('pagesinit', true, true, null);
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('pagesloaded', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('pagesloaded', true, true, { pagesCount: evt.pagesCount, });
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('scalechange', function (evt) {
        let event = document.createEvent('UIEvents');
        event.initUIEvent('scalechange', true, true, window, 0);
        event.scale = evt.scale;
        event.presetValue = evt.presetValue;
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('updateviewarea', function (evt) {
        let event = document.createEvent('UIEvents');
        event.initUIEvent('updateviewarea', true, true, window, 0);
        event.location = evt.location;
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('find', function (evt) {
        if (evt.source === window) {
          return;
        }
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('find' + evt.type, true, true, {
          query: evt.query,
          phraseSearch: evt.phraseSearch,
          caseSensitive: evt.caseSensitive,
          highlightAll: evt.highlightAll,
          findPrevious: evt.findPrevious,
        });
        window.dispatchEvent(event);
      });
      eventBus.on('attachmentsloaded', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: evt.attachmentsCount, });
        evt.source.container.dispatchEvent(event);
      });
      eventBus.on('sidebarviewchanged', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('sidebarviewchanged', true, true, { view: evt.view, });
        evt.source.outerContainer.dispatchEvent(event);
      });
      eventBus.on('pagemode', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('pagemode', true, true, { mode: evt.mode, });
        evt.source.pdfViewer.container.dispatchEvent(event);
      });
      eventBus.on('namedaction', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('namedaction', true, true, { action: evt.action, });
        evt.source.pdfViewer.container.dispatchEvent(event);
      });
      eventBus.on('presentationmodechanged', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('presentationmodechanged', true, true, {
          active: evt.active,
          switchInProgress: evt.switchInProgress,
        });
        window.dispatchEvent(event);
      });
      eventBus.on('outlineloaded', function (evt) {
        let event = document.createEvent('CustomEvent');
        event.initCustomEvent('outlineloaded', true, true, { outlineCount: evt.outlineCount, });
        evt.source.container.dispatchEvent(event);
      });
    }
    let globalEventBus = null;
    function getGlobalEventBus() {
      let dispatchToDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

      if (!globalEventBus) {
        globalEventBus = new _ui_utils.EventBus({ dispatchToDOM: dispatchToDOM, });
        if (!dispatchToDOM) {
          attachDOMEventsToEventBus(globalEventBus);
        }
      }
      return globalEventBus;
    }
    exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
    exports.getGlobalEventBus = getGlobalEventBus;

    /***/ }),
  /* 15 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.OverlayManager = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let OverlayManager = function () {
      function OverlayManager() {
        _classCallCheck(this, OverlayManager);

        this._overlays = {};
        this._active = null;
        this._keyDownBound = this._keyDown.bind(this);
      }

      _createClass(OverlayManager, [{
        key: 'register',
        value: function () {
          let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee(name, element) {
            let callerCloseMethod = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
            let canForceClose = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
            let container;
            return _regenerator2.default.wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                case 0:
                  container = void 0;

                  if (!(!name || !element || !(container = element.parentNode))) {
                    _context.next = 5;
                    break;
                  }

                  throw new Error('Not enough parameters.');

                case 5:
                  if (!this._overlays[name]) {
                    _context.next = 7;
                    break;
                  }

                  throw new Error('The overlay is already registered.');

                case 7:
                  this._overlays[name] = {
                    element: element,
                    container: container,
                    callerCloseMethod: callerCloseMethod,
                    canForceClose: canForceClose,
                  };

                case 8:
                case 'end':
                  return _context.stop();
                }
              }
            }, _callee, this);
          }));

          function register(_x3, _x4) {
            return _ref.apply(this, arguments);
          }

          return register;
        }(),
      }, {
        key: 'unregister',
        value: function () {
          let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2(name) {
            return _regenerator2.default.wrap(function _callee2$(_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context2.next = 4;
                    break;
                  }

                  throw new Error('The overlay does not exist.');

                case 4:
                  if (!(this._active === name)) {
                    _context2.next = 6;
                    break;
                  }

                  throw new Error('The overlay cannot be removed while it is active.');

                case 6:
                  delete this._overlays[name];

                case 7:
                case 'end':
                  return _context2.stop();
                }
              }
            }, _callee2, this);
          }));

          function unregister(_x5) {
            return _ref2.apply(this, arguments);
          }

          return unregister;
        }(),
      }, {
        key: 'open',
        value: function () {
          let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3(name) {
            return _regenerator2.default.wrap(function _callee3$(_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context3.next = 4;
                    break;
                  }

                  throw new Error('The overlay does not exist.');

                case 4:
                  if (!this._active) {
                    _context3.next = 14;
                    break;
                  }

                  if (!this._overlays[name].canForceClose) {
                    _context3.next = 9;
                    break;
                  }

                  this._closeThroughCaller();
                  _context3.next = 14;
                  break;

                case 9:
                  if (!(this._active === name)) {
                    _context3.next = 13;
                    break;
                  }

                  throw new Error('The overlay is already active.');

                case 13:
                  throw new Error('Another overlay is currently active.');

                case 14:
                  this._active = name;
                  this._overlays[this._active].element.classList.remove('hidden');
                  this._overlays[this._active].container.classList.remove('hidden');
                  window.addEventListener('keydown', this._keyDownBound);

                case 18:
                case 'end':
                  return _context3.stop();
                }
              }
            }, _callee3, this);
          }));

          function open(_x6) {
            return _ref3.apply(this, arguments);
          }

          return open;
        }(),
      }, {
        key: 'close',
        value: function () {
          let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4(name) {
            return _regenerator2.default.wrap(function _callee4$(_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context4.next = 4;
                    break;
                  }

                  throw new Error('The overlay does not exist.');

                case 4:
                  if (this._active) {
                    _context4.next = 8;
                    break;
                  }

                  throw new Error('The overlay is currently not active.');

                case 8:
                  if (!(this._active !== name)) {
                    _context4.next = 10;
                    break;
                  }

                  throw new Error('Another overlay is currently active.');

                case 10:
                  this._overlays[this._active].container.classList.add('hidden');
                  this._overlays[this._active].element.classList.add('hidden');
                  this._active = null;
                  window.removeEventListener('keydown', this._keyDownBound);

                case 14:
                case 'end':
                  return _context4.stop();
                }
              }
            }, _callee4, this);
          }));

          function close(_x7) {
            return _ref4.apply(this, arguments);
          }

          return close;
        }(),
      }, {
        key: '_keyDown',
        value: function _keyDown(evt) {
          if (this._active && evt.keyCode === 27) {
            this._closeThroughCaller();
            evt.preventDefault();
          }
        },
      }, {
        key: '_closeThroughCaller',
        value: function _closeThroughCaller() {
          if (this._overlays[this._active].callerCloseMethod) {
            this._overlays[this._active].callerCloseMethod();
          }
          if (this._active) {
            this.close(this._active);
          }
        },
      }, {
        key: 'active',
        get: function get() {
          return this._active;
        },
      },]);

      return OverlayManager;
    }();

    exports.OverlayManager = OverlayManager;

    /***/ }),
  /* 16 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PasswordPrompt = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let PasswordPrompt = function () {
      function PasswordPrompt(options, overlayManager) {
        let _this = this;

        let l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

        _classCallCheck(this, PasswordPrompt);

        this.overlayName = options.overlayName;
        this.container = options.container;
        this.label = options.label;
        this.input = options.input;
        this.submitButton = options.submitButton;
        this.cancelButton = options.cancelButton;
        this.overlayManager = overlayManager;
        this.l10n = l10n;
        this.updateCallback = null;
        this.reason = null;
        this.submitButton.addEventListener('click', this.verify.bind(this));
        this.cancelButton.addEventListener('click', this.close.bind(this));
        this.input.addEventListener('keydown', function (e) {
          if (e.keyCode === 13) {
            _this.verify();
          }
        });
        this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
      }

      _createClass(PasswordPrompt, [{
        key: 'open',
        value: function open() {
          let _this2 = this;

          this.overlayManager.open(this.overlayName).then(function () {
            _this2.input.focus();
            let promptString = void 0;
            if (_this2.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
              promptString = _this2.l10n.get('password_invalid', null, 'Invalid password. Please try again.');
            } else {
              promptString = _this2.l10n.get('password_label', null, 'Enter the password to open this PDF file.');
            }
            promptString.then(function (msg) {
              _this2.label.textContent = msg;
            });
          });
        },
      }, {
        key: 'close',
        value: function close() {
          let _this3 = this;

          this.overlayManager.close(this.overlayName).then(function () {
            _this3.input.value = '';
          });
        },
      }, {
        key: 'verify',
        value: function verify() {
          let password = this.input.value;
          if (password && password.length > 0) {
            this.close();
            return this.updateCallback(password);
          }
        },
      }, {
        key: 'setUpdateCallback',
        value: function setUpdateCallback(updateCallback, reason) {
          this.updateCallback = updateCallback;
          this.reason = reason;
        },
      },]);

      return PasswordPrompt;
    }();

    exports.PasswordPrompt = PasswordPrompt;

    /***/ }),
  /* 17 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFAttachmentViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let PDFAttachmentViewer = function () {
      function PDFAttachmentViewer(_ref) {
        let container = _ref.container;
        let eventBus = _ref.eventBus;
        let downloadManager = _ref.downloadManager;

        _classCallCheck(this, PDFAttachmentViewer);

        this.container = container;
        this.eventBus = eventBus;
        this.downloadManager = downloadManager;
        this.reset();
        this.eventBus.on('fileattachmentannotation', this._appendAttachment.bind(this));
      }

      _createClass(PDFAttachmentViewer, [{
        key: 'reset',
        value: function reset() {
          let keepRenderedCapability = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          this.attachments = null;
          this.container.textContent = '';
          if (!keepRenderedCapability) {
            this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
          }
        },
      }, {
        key: '_dispatchEvent',
        value: function _dispatchEvent(attachmentsCount) {
          this._renderedCapability.resolve();
          this.eventBus.dispatch('attachmentsloaded', {
            source: this,
            attachmentsCount: attachmentsCount,
          });
        },
      }, {
        key: '_bindPdfLink',
        value: function _bindPdfLink(button, content, filename) {
          if (this.downloadManager.disableCreateObjectURL) {
            throw new Error('bindPdfLink: Unsupported "disableCreateObjectURL" value.');
          }
          let blobUrl = void 0;
          button.onclick = function () {
            if (!blobUrl) {
              blobUrl = (0, _pdfjsLib.createObjectURL)(content, 'application/pdf');
            }
            let viewerUrl = void 0;
            viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
            window.open(viewerUrl);
            return false;
          };
        },
      }, {
        key: '_bindLink',
        value: function _bindLink(button, content, filename) {
          let _this = this;

          button.onclick = function () {
            _this.downloadManager.downloadData(content, filename, '');
            return false;
          };
        },
      }, {
        key: 'render',
        value: function render(_ref2) {
          let attachments = _ref2.attachments;
          let _ref2$keepRenderedCap = _ref2.keepRenderedCapability;
          let keepRenderedCapability = _ref2$keepRenderedCap === undefined ? false : _ref2$keepRenderedCap;

          let attachmentsCount = 0;
          if (this.attachments) {
            this.reset(keepRenderedCapability === true);
          }
          this.attachments = attachments || null;
          if (!attachments) {
            this._dispatchEvent(attachmentsCount);
            return;
          }
          let names = Object.keys(attachments).sort(function (a, b) {
            return a.toLowerCase().localeCompare(b.toLowerCase());
          });
          attachmentsCount = names.length;
          for (let i = 0; i < attachmentsCount; i++) {
            let item = attachments[names[i]];
            let filename = (0, _pdfjsLib.removeNullCharacters)((0, _pdfjsLib.getFilenameFromUrl)(item.filename));
            let div = document.createElement('div');
            div.className = 'attachmentsItem';
            let button = document.createElement('button');
            button.textContent = filename;
            if (/\.pdf$/i.test(filename) && !this.downloadManager.disableCreateObjectURL) {
              this._bindPdfLink(button, item.content, filename);
            } else {
              this._bindLink(button, item.content, filename);
            }
            div.appendChild(button);
            this.container.appendChild(div);
          }
          this._dispatchEvent(attachmentsCount);
        },
      }, {
        key: '_appendAttachment',
        value: function _appendAttachment(_ref3) {
          let _this2 = this;

          let id = _ref3.id;
          let filename = _ref3.filename;
          let content = _ref3.content;

          this._renderedCapability.promise.then(function () {
            let attachments = _this2.attachments;
            if (!attachments) {
              attachments = Object.create(null);
            } else {
              for (let name in attachments) {
                if (id === name) {
                  return;
                }
              }
            }
            attachments[id] = {
              filename: filename,
              content: content,
            };
            _this2.render({
              attachments: attachments,
              keepRenderedCapability: true,
            });
          });
        },
      },]);

      return PDFAttachmentViewer;
    }();

    exports.PDFAttachmentViewer = PDFAttachmentViewer;

    /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFDocumentProperties = undefined;

    let _slicedToArray = function () { function sliceIterator(arr, i) { let _arr = []; let _n = true; let _d = false; let _e; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DEFAULT_FIELD_CONTENT = '-';
    let NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my',];
    let US_PAGE_NAMES = {
      '8.5x11': 'Letter',
      '8.5x14': 'Legal',
    };
    let METRIC_PAGE_NAMES = {
      '297x420': 'A3',
      '210x297': 'A4',
    };
    function getPageName(size, isPortrait, pageNames) {
      let width = isPortrait ? size.width : size.height;
      let height = isPortrait ? size.height : size.width;
      return pageNames[width + 'x' + height];
    }

    let PDFDocumentProperties = function () {
      function PDFDocumentProperties(_ref, overlayManager, eventBus) {
        let overlayName = _ref.overlayName;
        let fields = _ref.fields;
        let container = _ref.container;
        let closeButton = _ref.closeButton;

        let _this = this;

        let l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;

        _classCallCheck(this, PDFDocumentProperties);

        this.overlayName = overlayName;
        this.fields = fields;
        this.container = container;
        this.overlayManager = overlayManager;
        this.l10n = l10n;
        this._reset();
        if (closeButton) {
          closeButton.addEventListener('click', this.close.bind(this));
        }
        this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
        if (eventBus) {
          eventBus.on('pagechanging', function (evt) {
            _this._currentPageNumber = evt.pageNumber;
          });
          eventBus.on('rotationchanging', function (evt) {
            _this._pagesRotation = evt.pagesRotation;
          });
        }
        this._isNonMetricLocale = true;
        l10n.getLanguage().then(function (locale) {
          _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
        });
      }

      _createClass(PDFDocumentProperties, [{
        key: 'open',
        value: function open() {
          let _this2 = this;

          let freezeFieldData = function freezeFieldData(data) {
            Object.defineProperty(_this2, 'fieldData', {
              value: Object.freeze(data),
              writable: false,
              enumerable: true,
              configurable: true,
            });
          };
          Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise,]).then(function () {
            let currentPageNumber = _this2._currentPageNumber;
            let pagesRotation = _this2._pagesRotation;
            if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber'] && pagesRotation === _this2.fieldData['_pagesRotation']) {
              _this2._updateUI();
              return;
            }
            _this2.pdfDocument.getMetadata().then(function (_ref2) {
              let info = _ref2.info;
              let metadata = _ref2.metadata;
              let contentDispositionFilename = _ref2.contentDispositionFilename;

              return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this2.url || ''), _this2._parseFileSize(_this2.maybeFileSize), _this2._parseDate(info.CreationDate), _this2._parseDate(info.ModDate), _this2.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
                return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
              }), _this2._parseLinearization(info.IsLinearized),]);
            }).then(function (_ref3) {
              let _ref4 = _slicedToArray(_ref3, 8);
              let info = _ref4[0];
              let metadata = _ref4[1];
              let fileName = _ref4[2];
              let fileSize = _ref4[3];
              let creationDate = _ref4[4];
              let modDate = _ref4[5];
              let pageSize = _ref4[6];
              let isLinearized = _ref4[7];

              freezeFieldData({
                'fileName': fileName,
                'fileSize': fileSize,
                'title': info.Title,
                'author': info.Author,
                'subject': info.Subject,
                'keywords': info.Keywords,
                'creationDate': creationDate,
                'modificationDate': modDate,
                'creator': info.Creator,
                'producer': info.Producer,
                'version': info.PDFFormatVersion,
                'pageCount': _this2.pdfDocument.numPages,
                'pageSize': pageSize,
                'linearized': isLinearized,
                '_currentPageNumber': currentPageNumber,
                '_pagesRotation': pagesRotation,
              });
              _this2._updateUI();
              return _this2.pdfDocument.getDownloadInfo();
            }).then(function (_ref5) {
              let length = _ref5.length;

              _this2.maybeFileSize = length;
              return _this2._parseFileSize(length);
            }).then(function (fileSize) {
              if (fileSize === _this2.fieldData['fileSize']) {
                return;
              }
              let data = Object.assign(Object.create(null), _this2.fieldData);
              data['fileSize'] = fileSize;
              freezeFieldData(data);
              _this2._updateUI();
            });
          });
        },
      }, {
        key: 'close',
        value: function close() {
          this.overlayManager.close(this.overlayName);
        },
      }, {
        key: 'setDocument',
        value: function setDocument(pdfDocument) {
          let url = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

          if (this.pdfDocument) {
            this._reset();
            this._updateUI(true);
          }
          if (!pdfDocument) {
            return;
          }
          this.pdfDocument = pdfDocument;
          this.url = url;
          this._dataAvailableCapability.resolve();
        },
      }, {
        key: 'setFileSize',
        value: function setFileSize(fileSize) {
          if (Number.isInteger(fileSize) && fileSize > 0) {
            this.maybeFileSize = fileSize;
          }
        },
      }, {
        key: '_reset',
        value: function _reset() {
          this.pdfDocument = null;
          this.url = null;
          this.maybeFileSize = 0;
          delete this.fieldData;
          this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
          this._currentPageNumber = 1;
          this._pagesRotation = 0;
        },
      }, {
        key: '_updateUI',
        value: function _updateUI() {
          let reset = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          if (reset || !this.fieldData) {
            for (let id in this.fields) {
              this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
            }
            return;
          }
          if (this.overlayManager.active !== this.overlayName) {
            return;
          }
          for (let _id in this.fields) {
            let content = this.fieldData[_id];
            this.fields[_id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
          }
        },
      }, {
        key: '_parseFileSize',
        value: function _parseFileSize() {
          let fileSize = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

          let kb = fileSize / 1024;
          if (!kb) {
            return Promise.resolve(undefined);
          } else if (kb < 1024) {
            return this.l10n.get('document_properties_kb', {
              size_kb: (+kb.toPrecision(3)).toLocaleString(),
              size_b: fileSize.toLocaleString(),
            }, '{{size_kb}} KB ({{size_b}} bytes)');
          }
          return this.l10n.get('document_properties_mb', {
            size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
            size_b: fileSize.toLocaleString(),
          }, '{{size_mb}} MB ({{size_b}} bytes)');
        },
      }, {
        key: '_parsePageSize',
        value: function _parsePageSize(pageSizeInches, pagesRotation) {
          let _this3 = this;

          if (!pageSizeInches) {
            return Promise.resolve(undefined);
          }
          if (pagesRotation % 180 !== 0) {
            pageSizeInches = {
              width: pageSizeInches.height,
              height: pageSizeInches.width,
            };
          }
          let isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
          let sizeInches = {
            width: Math.round(pageSizeInches.width * 100) / 100,
            height: Math.round(pageSizeInches.height * 100) / 100,
          };
          let sizeMillimeters = {
            width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
            height: Math.round(pageSizeInches.height * 25.4 * 10) / 10,
          };
          let pageName = null;
          let name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
          if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
            let exactMillimeters = {
              width: pageSizeInches.width * 25.4,
              height: pageSizeInches.height * 25.4,
            };
            let intMillimeters = {
              width: Math.round(sizeMillimeters.width),
              height: Math.round(sizeMillimeters.height),
            };
            if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
              name = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
              if (name) {
                sizeInches = {
                  width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
                  height: Math.round(intMillimeters.height / 25.4 * 100) / 100,
                };
                sizeMillimeters = intMillimeters;
              }
            }
          }
          if (name) {
            pageName = this.l10n.get('document_properties_page_size_name_' + name.toLowerCase(), null, name);
          }
          return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape'),]).then(function (_ref6) {
            let _ref7 = _slicedToArray(_ref6, 4);
            let _ref7$ = _ref7[0];
            let width = _ref7$.width;
            let height = _ref7$.height;
            let unit = _ref7[1];
            let name = _ref7[2];
            let orientation = _ref7[3];

            return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
              width: width.toLocaleString(),
              height: height.toLocaleString(),
              unit: unit,
              name: name,
              orientation: orientation,
            }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})');
          });
        },
      }, {
        key: '_parseDate',
        value: function _parseDate(inputDate) {
          if (!inputDate) {
            return;
          }
          let dateToParse = inputDate;
          if (dateToParse.substring(0, 2) === 'D:') {
            dateToParse = dateToParse.substring(2);
          }
          let year = parseInt(dateToParse.substring(0, 4), 10);
          let month = parseInt(dateToParse.substring(4, 6), 10) - 1;
          let day = parseInt(dateToParse.substring(6, 8), 10);
          let hours = parseInt(dateToParse.substring(8, 10), 10);
          let minutes = parseInt(dateToParse.substring(10, 12), 10);
          let seconds = parseInt(dateToParse.substring(12, 14), 10);
          let utRel = dateToParse.substring(14, 15);
          let offsetHours = parseInt(dateToParse.substring(15, 17), 10);
          let offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
          if (utRel === '-') {
            hours += offsetHours;
            minutes += offsetMinutes;
          } else if (utRel === '+') {
            hours -= offsetHours;
            minutes -= offsetMinutes;
          }
          let date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
          let dateString = date.toLocaleDateString();
          let timeString = date.toLocaleTimeString();
          return this.l10n.get('document_properties_date_string', {
            date: dateString,
            time: timeString,
          }, '{{date}}, {{time}}');
        },
      }, {
        key: '_parseLinearization',
        value: function _parseLinearization(isLinearized) {
          return this.l10n.get('document_properties_linearized_' + (isLinearized ? 'yes' : 'no'), null, isLinearized ? 'Yes' : 'No');
        },
      },]);

      return PDFDocumentProperties;
    }();

    exports.PDFDocumentProperties = PDFDocumentProperties;

    /***/ }),
  /* 19 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFFindBar = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdf_find_controller = __webpack_require__(20);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let MATCHES_COUNT_LIMIT = 1000;

    let PDFFindBar = function () {
      function PDFFindBar(options) {
        let _this = this;

        let eventBus = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (0, _ui_utils.getGlobalEventBus)();
        let l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

        _classCallCheck(this, PDFFindBar);

        this.opened = false;
        this.bar = options.bar || null;
        this.toggleButton = options.toggleButton || null;
        this.findField = options.findField || null;
        this.highlightAll = options.highlightAllCheckbox || null;
        this.caseSensitive = options.caseSensitiveCheckbox || null;
        this.entireWord = options.entireWordCheckbox || null;
        this.findMsg = options.findMsg || null;
        this.findResultsCount = options.findResultsCount || null;
        this.findPreviousButton = options.findPreviousButton || null;
        this.findNextButton = options.findNextButton || null;
        this.eventBus = eventBus;
        this.l10n = l10n;
        this.toggleButton.addEventListener('click', function () {
          _this.toggle();
        });
        this.findField.addEventListener('input', function () {
          _this.dispatchEvent('');
        });
        this.bar.addEventListener('keydown', function (e) {
          switch (e.keyCode) {
          case 13:
            if (e.target === _this.findField) {
              _this.dispatchEvent('again', e.shiftKey);
            }
            break;
          case 27:
            _this.close();
            break;
          }
        });
        this.findPreviousButton.addEventListener('click', function () {
          _this.dispatchEvent('again', true);
        });
        this.findNextButton.addEventListener('click', function () {
          _this.dispatchEvent('again', false);
        });
        this.highlightAll.addEventListener('click', function () {
          _this.dispatchEvent('highlightallchange');
        });
        this.caseSensitive.addEventListener('click', function () {
          _this.dispatchEvent('casesensitivitychange');
        });
        this.entireWord.addEventListener('click', function () {
          _this.dispatchEvent('entirewordchange');
        });
        this.eventBus.on('resize', this._adjustWidth.bind(this));
      }

      _createClass(PDFFindBar, [{
        key: 'reset',
        value: function reset() {
          this.updateUIState();
        },
      }, {
        key: 'dispatchEvent',
        value: function dispatchEvent(type, findPrev) {
          this.eventBus.dispatch('find', {
            source: this,
            type: type,
            query: this.findField.value,
            phraseSearch: true,
            caseSensitive: this.caseSensitive.checked,
            entireWord: this.entireWord.checked,
            highlightAll: this.highlightAll.checked,
            findPrevious: findPrev,
          });
        },
      }, {
        key: 'updateUIState',
        value: function updateUIState(state, previous, matchesCount) {
          let _this2 = this;

          let notFound = false;
          let findMsg = '';
          let status = '';
          switch (state) {
          case _pdf_find_controller.FindState.FOUND:
            break;
          case _pdf_find_controller.FindState.PENDING:
            status = 'pending';
            break;
          case _pdf_find_controller.FindState.NOT_FOUND:
            findMsg = this.l10n.get('find_not_found', null, 'Phrase not found');
            notFound = true;
            break;
          case _pdf_find_controller.FindState.WRAPPED:
            if (previous) {
              findMsg = this.l10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
            } else {
              findMsg = this.l10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
            }
            break;
          }
          this.findField.classList.toggle('notFound', notFound);
          this.findField.setAttribute('data-status', status);
          Promise.resolve(findMsg).then(function (msg) {
            _this2.findMsg.textContent = msg;
            _this2._adjustWidth();
          });
          this.updateResultsCount(matchesCount);
        },
      }, {
        key: 'updateResultsCount',
        value: function updateResultsCount() {
          let _this3 = this;

          let _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
          let _ref$current = _ref.current;
          let current = _ref$current === undefined ? 0 : _ref$current;
          let _ref$total = _ref.total;
          let total = _ref$total === undefined ? 0 : _ref$total;

          if (!this.findResultsCount) {
            return;
          }
          let matchesCountMsg = '';
          let limit = MATCHES_COUNT_LIMIT;
          if (total > 0) {
            if (total > limit) {
              matchesCountMsg = this.l10n.get('find_match_count_limit', { limit: limit, }, 'More than {{limit}} match' + (limit !== 1 ? 'es' : ''));
            } else {
              matchesCountMsg = this.l10n.get('find_match_count', {
                current: current,
                total: total,
              }, '{{current}} of {{total}} match' + (total !== 1 ? 'es' : ''));
            }
          }
          Promise.resolve(matchesCountMsg).then(function (msg) {
            _this3.findResultsCount.textContent = msg;
            _this3.findResultsCount.classList[!total ? 'add' : 'remove']('hidden');
            _this3._adjustWidth();
          });
        },
      }, {
        key: 'open',
        value: function open() {
          if (!this.opened) {
            this.opened = true;
            this.toggleButton.classList.add('toggled');
            this.bar.classList.remove('hidden');
          }
          this.findField.select();
          this.findField.focus();
          this._adjustWidth();
        },
      }, {
        key: 'close',
        value: function close() {
          if (!this.opened) {
            return;
          }
          this.opened = false;
          this.toggleButton.classList.remove('toggled');
          this.bar.classList.add('hidden');
          this.eventBus.dispatch('findbarclose', { source: this, });
        },
      }, {
        key: 'toggle',
        value: function toggle() {
          if (this.opened) {
            this.close();
          } else {
            this.open();
          }
        },
      }, {
        key: '_adjustWidth',
        value: function _adjustWidth() {
          if (!this.opened) {
            return;
          }
          this.bar.classList.remove('wrapContainers');
          let findbarHeight = this.bar.clientHeight;
          let inputContainerHeight = this.bar.firstElementChild.clientHeight;
          if (findbarHeight > inputContainerHeight) {
            this.bar.classList.add('wrapContainers');
          }
        },
      },]);

      return PDFFindBar;
    }();

    exports.PDFFindBar = PDFFindBar;

    /***/ }),
  /* 20 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFFindController = exports.FindState = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    let _pdf_find_utils = __webpack_require__(21);

    let _dom_events = __webpack_require__(14);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let FindState = {
      FOUND: 0,
      NOT_FOUND: 1,
      WRAPPED: 2,
      PENDING: 3,
    };
    let FIND_TIMEOUT = 250;
    let CHARACTERS_TO_NORMALIZE = {
      '\u2018': '\'',
      '\u2019': '\'',
      '\u201A': '\'',
      '\u201B': '\'',
      '\u201C': '"',
      '\u201D': '"',
      '\u201E': '"',
      '\u201F': '"',
      '\xBC': '1/4',
      '\xBD': '1/2',
      '\xBE': '3/4',
    };

    let PDFFindController = function () {
      function PDFFindController(_ref) {
        let linkService = _ref.linkService;
        let _ref$eventBus = _ref.eventBus;
        let eventBus = _ref$eventBus === undefined ? (0, _dom_events.getGlobalEventBus)() : _ref$eventBus;

        _classCallCheck(this, PDFFindController);

        this._linkService = linkService;
        this._eventBus = eventBus;
        this._reset();
        eventBus.on('findbarclose', this._onFindBarClose.bind(this));
        let replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
        this._normalizationRegex = new RegExp('[' + replace + ']', 'g');
      }

      _createClass(PDFFindController, [{
        key: 'setDocument',
        value: function setDocument(pdfDocument) {
          if (this._pdfDocument) {
            this._reset();
          }
          if (!pdfDocument) {
            return;
          }
          this._pdfDocument = pdfDocument;
          this._firstPageCapability.resolve();
        },
      }, {
        key: 'executeCommand',
        value: function executeCommand(cmd, state) {
          let _this = this;

          let pdfDocument = this._pdfDocument;
          if (this._state === null || cmd !== 'findagain') {
            this._dirtyMatch = true;
          }
          this._state = state;
          this._updateUIState(FindState.PENDING);
          this._firstPageCapability.promise.then(function () {
            if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
              return;
            }
            _this._extractText();
            if (_this._findTimeout) {
              clearTimeout(_this._findTimeout);
              _this._findTimeout = null;
            }
            if (cmd === 'find') {
              _this._findTimeout = setTimeout(function () {
                _this._nextMatch();
                _this._findTimeout = null;
              }, FIND_TIMEOUT);
            } else {
              _this._nextMatch();
            }
          });
        },
      }, {
        key: '_reset',
        value: function _reset() {
          this._highlightMatches = false;
          this._pdfDocument = null;
          this._pageMatches = [];
          this._pageMatchesLength = null;
          this._state = null;
          this._selected = {
            pageIdx: -1,
            matchIdx: -1,
          };
          this._offset = {
            pageIdx: null,
            matchIdx: null,
          };
          this._extractTextPromises = [];
          this._pageContents = [];
          this._matchesCountTotal = 0;
          this._pagesToSearch = null;
          this._pendingFindMatches = Object.create(null);
          this._resumePageIdx = null;
          this._dirtyMatch = false;
          clearTimeout(this._findTimeout);
          this._findTimeout = null;
          this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
        },
      }, {
        key: '_normalize',
        value: function _normalize(text) {
          return text.replace(this._normalizationRegex, function (ch) {
            return CHARACTERS_TO_NORMALIZE[ch];
          });
        },
      }, {
        key: '_prepareMatches',
        value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
          function isSubTerm(matchesWithLength, currentIndex) {
            let currentElem = matchesWithLength[currentIndex];
            let nextElem = matchesWithLength[currentIndex + 1];
            if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
              currentElem.skipped = true;
              return true;
            }
            for (let i = currentIndex - 1; i >= 0; i--) {
              let prevElem = matchesWithLength[i];
              if (prevElem.skipped) {
                continue;
              }
              if (prevElem.match + prevElem.matchLength < currentElem.match) {
                break;
              }
              if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
                currentElem.skipped = true;
                return true;
              }
            }
            return false;
          }
          matchesWithLength.sort(function (a, b) {
            return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
          });
          for (let i = 0, len = matchesWithLength.length; i < len; i++) {
            if (isSubTerm(matchesWithLength, i)) {
              continue;
            }
            matches.push(matchesWithLength[i].match);
            matchesLength.push(matchesWithLength[i].matchLength);
          }
        },
      }, {
        key: '_isEntireWord',
        value: function _isEntireWord(content, startIdx, length) {
          if (startIdx > 0) {
            let first = content.charCodeAt(startIdx);
            let limit = content.charCodeAt(startIdx - 1);
            if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
              return false;
            }
          }
          let endIdx = startIdx + length - 1;
          if (endIdx < content.length - 1) {
            let last = content.charCodeAt(endIdx);
            let _limit = content.charCodeAt(endIdx + 1);
            if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
              return false;
            }
          }
          return true;
        },
      }, {
        key: '_calculatePhraseMatch',
        value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
          let matches = [];
          let queryLen = query.length;
          let matchIdx = -queryLen;
          while (true) {
            matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
            if (matchIdx === -1) {
              break;
            }
            if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
              continue;
            }
            matches.push(matchIdx);
          }
          this._pageMatches[pageIndex] = matches;
        },
      }, {
        key: '_calculateWordMatch',
        value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
          let matchesWithLength = [];
          let queryArray = query.match(/\S+/g);
          for (let i = 0, len = queryArray.length; i < len; i++) {
            let subquery = queryArray[i];
            let subqueryLen = subquery.length;
            let matchIdx = -subqueryLen;
            while (true) {
              matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
              if (matchIdx === -1) {
                break;
              }
              if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
                continue;
              }
              matchesWithLength.push({
                match: matchIdx,
                matchLength: subqueryLen,
                skipped: false,
              });
            }
          }
          if (!this._pageMatchesLength) {
            this._pageMatchesLength = [];
          }
          this._pageMatchesLength[pageIndex] = [];
          this._pageMatches[pageIndex] = [];
          this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
        },
      }, {
        key: '_calculateMatch',
        value: function _calculateMatch(pageIndex) {
          let pageContent = this._normalize(this._pageContents[pageIndex]);
          let query = this._normalize(this._state.query);
          let _state = this._state;
          let caseSensitive = _state.caseSensitive;
          let entireWord = _state.entireWord;
          let phraseSearch = _state.phraseSearch;

          if (query.length === 0) {
            return;
          }
          if (!caseSensitive) {
            pageContent = pageContent.toLowerCase();
            query = query.toLowerCase();
          }
          if (phraseSearch) {
            this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
          } else {
            this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
          }
          this._updatePage(pageIndex);
          if (this._resumePageIdx === pageIndex) {
            this._resumePageIdx = null;
            this._nextPageMatch();
          }
          let pageMatchesCount = this._pageMatches[pageIndex].length;
          if (pageMatchesCount > 0) {
            this._matchesCountTotal += pageMatchesCount;
            this._updateUIResultsCount();
          }
        },
      }, {
        key: '_extractText',
        value: function _extractText() {
          let _this2 = this;

          if (this._extractTextPromises.length > 0) {
            return;
          }
          let promise = Promise.resolve();

          let _loop = function _loop(i, ii) {
            let extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
            _this2._extractTextPromises[i] = extractTextCapability.promise;
            promise = promise.then(function () {
              return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
                return pdfPage.getTextContent({ normalizeWhitespace: true, });
              }).then(function (textContent) {
                let textItems = textContent.items;
                let strBuf = [];
                for (let j = 0, jj = textItems.length; j < jj; j++) {
                  strBuf.push(textItems[j].str);
                }
                _this2._pageContents[i] = strBuf.join('');
                extractTextCapability.resolve(i);
              }, function (reason) {
                console.error('Unable to get text content for page ' + (i + 1), reason);
                _this2._pageContents[i] = '';
                extractTextCapability.resolve(i);
              });
            });
          };

          for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
            _loop(i, ii);
          }
        },
      }, {
        key: '_updatePage',
        value: function _updatePage(index) {
          if (this._selected.pageIdx === index) {
            this._linkService.page = index + 1;
          }
          this._eventBus.dispatch('updatetextlayermatches', {
            source: this,
            pageIndex: index,
          });
        },
      }, {
        key: '_nextMatch',
        value: function _nextMatch() {
          let _this3 = this;

          let previous = this._state.findPrevious;
          let currentPageIndex = this._linkService.page - 1;
          let numPages = this._linkService.pagesCount;
          this._highlightMatches = true;
          if (this._dirtyMatch) {
            this._dirtyMatch = false;
            this._selected.pageIdx = this._selected.matchIdx = -1;
            this._offset.pageIdx = currentPageIndex;
            this._offset.matchIdx = null;
            this._resumePageIdx = null;
            this._pageMatches.length = 0;
            this._pageMatchesLength = null;
            this._matchesCountTotal = 0;
            for (let i = 0; i < numPages; i++) {
              this._updatePage(i);
              if (!(i in this._pendingFindMatches)) {
                this._pendingFindMatches[i] = true;
                this._extractTextPromises[i].then(function (pageIdx) {
                  delete _this3._pendingFindMatches[pageIdx];
                  _this3._calculateMatch(pageIdx);
                });
              }
            }
          }
          if (this._state.query === '') {
            this._updateUIState(FindState.FOUND);
            return;
          }
          if (this._resumePageIdx) {
            return;
          }
          let offset = this._offset;
          this._pagesToSearch = numPages;
          if (offset.matchIdx !== null) {
            let numPageMatches = this._pageMatches[offset.pageIdx].length;
            if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
              offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
              this._updateMatch(true);
              return;
            }
            this._advanceOffsetPage(previous);
          }
          this._nextPageMatch();
        },
      }, {
        key: '_matchesReady',
        value: function _matchesReady(matches) {
          let offset = this._offset;
          let numMatches = matches.length;
          let previous = this._state.findPrevious;
          if (numMatches) {
            offset.matchIdx = previous ? numMatches - 1 : 0;
            this._updateMatch(true);
            return true;
          }
          this._advanceOffsetPage(previous);
          if (offset.wrapped) {
            offset.matchIdx = null;
            if (this._pagesToSearch < 0) {
              this._updateMatch(false);
              return true;
            }
          }
          return false;
        },
      }, {
        key: '_nextPageMatch',
        value: function _nextPageMatch() {
          if (this._resumePageIdx !== null) {
            console.error('There can only be one pending page.');
          }
          let matches = null;
          do {
            let pageIdx = this._offset.pageIdx;
            matches = this._pageMatches[pageIdx];
            if (!matches) {
              this._resumePageIdx = pageIdx;
              break;
            }
          } while (!this._matchesReady(matches));
        },
      }, {
        key: '_advanceOffsetPage',
        value: function _advanceOffsetPage(previous) {
          let offset = this._offset;
          let numPages = this._linkService.pagesCount;
          offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
          offset.matchIdx = null;
          this._pagesToSearch--;
          if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
            offset.pageIdx = previous ? numPages - 1 : 0;
            offset.wrapped = true;
          }
        },
      }, {
        key: '_updateMatch',
        value: function _updateMatch() {
          let found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          let state = FindState.NOT_FOUND;
          let wrapped = this._offset.wrapped;
          this._offset.wrapped = false;
          if (found) {
            let previousPage = this._selected.pageIdx;
            this._selected.pageIdx = this._offset.pageIdx;
            this._selected.matchIdx = this._offset.matchIdx;
            state = wrapped ? FindState.WRAPPED : FindState.FOUND;
            if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
              this._updatePage(previousPage);
            }
          }
          this._updateUIState(state, this._state.findPrevious);
          if (this._selected.pageIdx !== -1) {
            this._updatePage(this._selected.pageIdx);
          }
        },
      }, {
        key: '_onFindBarClose',
        value: function _onFindBarClose(evt) {
          let _this4 = this;

          let pdfDocument = this._pdfDocument;
          this._firstPageCapability.promise.then(function () {
            if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
              return;
            }
            if (_this4._findTimeout) {
              clearTimeout(_this4._findTimeout);
              _this4._findTimeout = null;
              _this4._updateUIState(FindState.FOUND);
            }
            _this4._highlightMatches = false;
            _this4._eventBus.dispatch('updatetextlayermatches', {
              source: _this4,
              pageIndex: -1,
            });
          });
        },
      }, {
        key: '_requestMatchesCount',
        value: function _requestMatchesCount() {
          let _selected = this._selected;
          let pageIdx = _selected.pageIdx;
          let matchIdx = _selected.matchIdx;

          let current = 0;
          let total = this._matchesCountTotal;
          if (matchIdx !== -1) {
            for (let i = 0; i < pageIdx; i++) {
              current += this._pageMatches[i] && this._pageMatches[i].length || 0;
            }
            current += matchIdx + 1;
          }
          if (current < 1 || current > total) {
            current = total = 0;
          }
          return {
            current: current,
            total: total,
          };
        },
      }, {
        key: '_updateUIResultsCount',
        value: function _updateUIResultsCount() {
          this._eventBus.dispatch('updatefindmatchescount', {
            source: this,
            matchesCount: this._requestMatchesCount(),
          });
        },
      }, {
        key: '_updateUIState',
        value: function _updateUIState(state, previous) {
          this._eventBus.dispatch('updatefindcontrolstate', {
            source: this,
            state: state,
            previous: previous,
            matchesCount: this._requestMatchesCount(),
          });
        },
      }, {
        key: 'highlightMatches',
        get: function get() {
          return this._highlightMatches;
        },
      }, {
        key: 'pageMatches',
        get: function get() {
          return this._pageMatches;
        },
      }, {
        key: 'pageMatchesLength',
        get: function get() {
          return this._pageMatchesLength;
        },
      }, {
        key: 'selected',
        get: function get() {
          return this._selected;
        },
      }, {
        key: 'state',
        get: function get() {
          return this._state;
        },
      },]);

      return PDFFindController;
    }();

    exports.FindState = FindState;
    exports.PDFFindController = PDFFindController;

    /***/ }),
  /* 21 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    let CharacterType = {
      SPACE: 0,
      ALPHA_LETTER: 1,
      PUNCT: 2,
      HAN_LETTER: 3,
      KATAKANA_LETTER: 4,
      HIRAGANA_LETTER: 5,
      HALFWIDTH_KATAKANA_LETTER: 6,
      THAI_LETTER: 7,
    };
    function isAlphabeticalScript(charCode) {
      return charCode < 0x2E80;
    }
    function isAscii(charCode) {
      return (charCode & 0xFF80) === 0;
    }
    function isAsciiAlpha(charCode) {
      return charCode >= 0x61 && charCode <= 0x7A || charCode >= 0x41 && charCode <= 0x5A;
    }
    function isAsciiDigit(charCode) {
      return charCode >= 0x30 && charCode <= 0x39;
    }
    function isAsciiSpace(charCode) {
      return charCode === 0x20 || charCode === 0x09 || charCode === 0x0D || charCode === 0x0A;
    }
    function isHan(charCode) {
      return charCode >= 0x3400 && charCode <= 0x9FFF || charCode >= 0xF900 && charCode <= 0xFAFF;
    }
    function isKatakana(charCode) {
      return charCode >= 0x30A0 && charCode <= 0x30FF;
    }
    function isHiragana(charCode) {
      return charCode >= 0x3040 && charCode <= 0x309F;
    }
    function isHalfwidthKatakana(charCode) {
      return charCode >= 0xFF60 && charCode <= 0xFF9F;
    }
    function isThai(charCode) {
      return (charCode & 0xFF80) === 0x0E00;
    }
    function getCharacterType(charCode) {
      if (isAlphabeticalScript(charCode)) {
        if (isAscii(charCode)) {
          if (isAsciiSpace(charCode)) {
            return CharacterType.SPACE;
          } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5F) {
            return CharacterType.ALPHA_LETTER;
          }
          return CharacterType.PUNCT;
        } else if (isThai(charCode)) {
          return CharacterType.THAI_LETTER;
        } else if (charCode === 0xA0) {
          return CharacterType.SPACE;
        }
        return CharacterType.ALPHA_LETTER;
      }
      if (isHan(charCode)) {
        return CharacterType.HAN_LETTER;
      } else if (isKatakana(charCode)) {
        return CharacterType.KATAKANA_LETTER;
      } else if (isHiragana(charCode)) {
        return CharacterType.HIRAGANA_LETTER;
      } else if (isHalfwidthKatakana(charCode)) {
        return CharacterType.HALFWIDTH_KATAKANA_LETTER;
      }
      return CharacterType.ALPHA_LETTER;
    }
    exports.CharacterType = CharacterType;
    exports.getCharacterType = getCharacterType;

    /***/ }),
  /* 22 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.isDestArraysEqual = exports.isDestHashesEqual = exports.PDFHistory = undefined;

    let _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _dom_events = __webpack_require__(14);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let HASH_CHANGE_TIMEOUT = 1000;
    let POSITION_UPDATED_THRESHOLD = 50;
    let UPDATE_VIEWAREA_TIMEOUT = 1000;
    function getCurrentHash() {
      return document.location.hash;
    }
    function parseCurrentHash(linkService) {
      let hash = unescape(getCurrentHash()).substring(1);
      let params = (0, _ui_utils.parseQueryString)(hash);
      let page = params.page | 0;
      if (!(Number.isInteger(page) && page > 0 && page <= linkService.pagesCount)) {
        page = null;
      }
      return {
        hash: hash,
        page: page,
        rotation: linkService.rotation,
      };
    }

    let PDFHistory = function () {
      function PDFHistory(_ref) {
        let _this = this;

        let linkService = _ref.linkService;
        let eventBus = _ref.eventBus;

        _classCallCheck(this, PDFHistory);

        this.linkService = linkService;
        this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
        this.initialized = false;
        this.initialBookmark = null;
        this.initialRotation = null;
        this._boundEvents = Object.create(null);
        this._isViewerInPresentationMode = false;
        this._isPagesLoaded = false;
        this.eventBus.on('presentationmodechanged', function (evt) {
          _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
        });
        this.eventBus.on('pagesloaded', function (evt) {
          _this._isPagesLoaded = !!evt.pagesCount;
        });
      }

      _createClass(PDFHistory, [{
        key: 'initialize',
        value: function initialize(fingerprint) {
          let resetHistory = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          if (!fingerprint || typeof fingerprint !== 'string') {
            console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
            return;
          }
          let reInitialized = this.initialized && this.fingerprint !== fingerprint;
          this.fingerprint = fingerprint;
          if (!this.initialized) {
            this._bindEvents();
          }
          let state = window.history.state;
          this.initialized = true;
          this.initialBookmark = null;
          this.initialRotation = null;
          this._popStateInProgress = false;
          this._blockHashChange = 0;
          this._currentHash = getCurrentHash();
          this._numPositionUpdates = 0;
          this._uid = this._maxUid = 0;
          this._destination = null;
          this._position = null;
          if (!this._isValidState(state) || resetHistory) {
            let _parseCurrentHash = parseCurrentHash(this.linkService);
            let hash = _parseCurrentHash.hash;
            let page = _parseCurrentHash.page;
            let rotation = _parseCurrentHash.rotation;

            if (!hash || reInitialized || resetHistory) {
              this._pushOrReplaceState(null, true);
              return;
            }
            this._pushOrReplaceState({
              hash: hash,
              page: page,
              rotation: rotation,
            }, true);
            return;
          }
          let destination = state.destination;
          this._updateInternalState(destination, state.uid, true);
          if (this._uid > this._maxUid) {
            this._maxUid = this._uid;
          }
          if (destination.rotation !== undefined) {
            this.initialRotation = destination.rotation;
          }
          if (destination.dest) {
            this.initialBookmark = JSON.stringify(destination.dest);
            this._destination.page = null;
          } else if (destination.hash) {
            this.initialBookmark = destination.hash;
          } else if (destination.page) {
            this.initialBookmark = 'page=' + destination.page;
          }
        },
      }, {
        key: 'push',
        value: function push(_ref2) {
          let _this2 = this;

          let namedDest = _ref2.namedDest;
          let explicitDest = _ref2.explicitDest;
          let pageNumber = _ref2.pageNumber;

          if (!this.initialized) {
            return;
          }
          if (namedDest && typeof namedDest !== 'string' || !Array.isArray(explicitDest) || !(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
            console.error('PDFHistory.push: Invalid parameters.');
            return;
          }
          let hash = namedDest || JSON.stringify(explicitDest);
          if (!hash) {
            return;
          }
          let forceReplace = false;
          if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
            if (this._destination.page) {
              return;
            }
            forceReplace = true;
          }
          if (this._popStateInProgress && !forceReplace) {
            return;
          }
          this._pushOrReplaceState({
            dest: explicitDest,
            hash: hash,
            page: pageNumber,
            rotation: this.linkService.rotation,
          }, forceReplace);
          if (!this._popStateInProgress) {
            this._popStateInProgress = true;
            Promise.resolve().then(function () {
              _this2._popStateInProgress = false;
            });
          }
        },
      }, {
        key: 'pushCurrentPosition',
        value: function pushCurrentPosition() {
          if (!this.initialized || this._popStateInProgress) {
            return;
          }
          this._tryPushCurrentPosition();
        },
      }, {
        key: 'back',
        value: function back() {
          if (!this.initialized || this._popStateInProgress) {
            return;
          }
          let state = window.history.state;
          if (this._isValidState(state) && state.uid > 0) {
            window.history.back();
          }
        },
      }, {
        key: 'forward',
        value: function forward() {
          if (!this.initialized || this._popStateInProgress) {
            return;
          }
          let state = window.history.state;
          if (this._isValidState(state) && state.uid < this._maxUid) {
            window.history.forward();
          }
        },
      }, {
        key: '_pushOrReplaceState',
        value: function _pushOrReplaceState(destination) {
          let forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          let shouldReplace = forceReplace || !this._destination;
          let newState = {
            fingerprint: this.fingerprint,
            uid: shouldReplace ? this._uid : this._uid + 1,
            destination: destination,
          };
          this._updateInternalState(destination, newState.uid);
          if (shouldReplace) {
            window.history.replaceState(newState, '');
          } else {
            this._maxUid = this._uid;
            window.history.pushState(newState, '');
          }
        },
      }, {
        key: '_tryPushCurrentPosition',
        value: function _tryPushCurrentPosition() {
          let temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          if (!this._position) {
            return;
          }
          let position = this._position;
          if (temporary) {
            position = Object.assign(Object.create(null), this._position);
            position.temporary = true;
          }
          if (!this._destination) {
            this._pushOrReplaceState(position);
            return;
          }
          if (this._destination.temporary) {
            this._pushOrReplaceState(position, true);
            return;
          }
          if (this._destination.hash === position.hash) {
            return;
          }
          if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
            return;
          }
          let forceReplace = false;
          if (this._destination.page === position.first || this._destination.page === position.page) {
            if (this._destination.dest || !this._destination.first) {
              return;
            }
            forceReplace = true;
          }
          this._pushOrReplaceState(position, forceReplace);
        },
      }, {
        key: '_isValidState',
        value: function _isValidState(state) {
          if (!state) {
            return false;
          }
          if (state.fingerprint !== this.fingerprint) {
            return false;
          }
          if (!Number.isInteger(state.uid) || state.uid < 0) {
            return false;
          }
          if (state.destination === null || _typeof(state.destination) !== 'object') {
            return false;
          }
          return true;
        },
      }, {
        key: '_updateInternalState',
        value: function _updateInternalState(destination, uid) {
          let removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

          if (this._updateViewareaTimeout) {
            clearTimeout(this._updateViewareaTimeout);
            this._updateViewareaTimeout = null;
          }
          if (removeTemporary && destination && destination.temporary) {
            delete destination.temporary;
          }
          this._destination = destination;
          this._uid = uid;
          this._numPositionUpdates = 0;
        },
      }, {
        key: '_updateViewarea',
        value: function _updateViewarea(_ref3) {
          let _this3 = this;

          let location = _ref3.location;

          if (this._updateViewareaTimeout) {
            clearTimeout(this._updateViewareaTimeout);
            this._updateViewareaTimeout = null;
          }
          this._position = {
            hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
            page: this.linkService.page,
            first: location.pageNumber,
            rotation: location.rotation,
          };
          if (this._popStateInProgress) {
            return;
          }
          if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
            this._numPositionUpdates++;
          }
          if (UPDATE_VIEWAREA_TIMEOUT > 0) {
            this._updateViewareaTimeout = setTimeout(function () {
              if (!_this3._popStateInProgress) {
                _this3._tryPushCurrentPosition(true);
              }
              _this3._updateViewareaTimeout = null;
            }, UPDATE_VIEWAREA_TIMEOUT);
          }
        },
      }, {
        key: '_popState',
        value: function _popState(_ref4) {
          let _this4 = this;

          let state = _ref4.state;

          let newHash = getCurrentHash();
          let hashChanged = this._currentHash !== newHash;
          this._currentHash = newHash;
          if (!state || false) {
            this._uid++;

            let _parseCurrentHash2 = parseCurrentHash(this.linkService);
            let hash = _parseCurrentHash2.hash;
            let page = _parseCurrentHash2.page;
            let rotation = _parseCurrentHash2.rotation;

            this._pushOrReplaceState({
              hash: hash,
              page: page,
              rotation: rotation,
            }, true);
            return;
          }
          if (!this._isValidState(state)) {
            return;
          }
          this._popStateInProgress = true;
          if (hashChanged) {
            this._blockHashChange++;
            (0, _ui_utils.waitOnEventOrTimeout)({
              target: window,
              name: 'hashchange',
              delay: HASH_CHANGE_TIMEOUT,
            }).then(function () {
              _this4._blockHashChange--;
            });
          }
          let destination = state.destination;
          this._updateInternalState(destination, state.uid, true);
          if (this._uid > this._maxUid) {
            this._maxUid = this._uid;
          }
          if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
            this.linkService.rotation = destination.rotation;
          }
          if (destination.dest) {
            this.linkService.navigateTo(destination.dest);
          } else if (destination.hash) {
            this.linkService.setHash(destination.hash);
          } else if (destination.page) {
            this.linkService.page = destination.page;
          }
          Promise.resolve().then(function () {
            _this4._popStateInProgress = false;
          });
        },
      }, {
        key: '_bindEvents',
        value: function _bindEvents() {
          let _this5 = this;

          let _boundEvents = this._boundEvents;
          let eventBus = this.eventBus;

          _boundEvents.updateViewarea = this._updateViewarea.bind(this);
          _boundEvents.popState = this._popState.bind(this);
          _boundEvents.pageHide = function (evt) {
            if (!_this5._destination || _this5._destination.temporary) {
              _this5._tryPushCurrentPosition();
            }
          };
          eventBus.on('updateviewarea', _boundEvents.updateViewarea);
          window.addEventListener('popstate', _boundEvents.popState);
          window.addEventListener('pagehide', _boundEvents.pageHide);
        },
      }, {
        key: 'popStateInProgress',
        get: function get() {
          return this.initialized && (this._popStateInProgress || this._blockHashChange > 0);
        },
      },]);

      return PDFHistory;
    }();

    function isDestHashesEqual(destHash, pushHash) {
      if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
        return false;
      }
      if (destHash === pushHash) {
        return true;
      }

      let _parseQueryString = (0, _ui_utils.parseQueryString)(destHash);
      let nameddest = _parseQueryString.nameddest;

      if (nameddest === pushHash) {
        return true;
      }
      return false;
    }
    function isDestArraysEqual(firstDest, secondDest) {
      function isEntryEqual(first, second) {
        if ((typeof first === 'undefined' ? 'undefined' : _typeof(first)) !== (typeof second === 'undefined' ? 'undefined' : _typeof(second))) {
          return false;
        }
        if (Array.isArray(first) || Array.isArray(second)) {
          return false;
        }
        if (first !== null && (typeof first === 'undefined' ? 'undefined' : _typeof(first)) === 'object' && second !== null) {
          if (Object.keys(first).length !== Object.keys(second).length) {
            return false;
          }
          for (let key in first) {
            if (!isEntryEqual(first[key], second[key])) {
              return false;
            }
          }
          return true;
        }
        return first === second || Number.isNaN(first) && Number.isNaN(second);
      }
      if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
        return false;
      }
      if (firstDest.length !== secondDest.length) {
        return false;
      }
      for (let i = 0, ii = firstDest.length; i < ii; i++) {
        if (!isEntryEqual(firstDest[i], secondDest[i])) {
          return false;
        }
      }
      return true;
    }
    exports.PDFHistory = PDFHistory;
    exports.isDestHashesEqual = isDestHashesEqual;
    exports.isDestArraysEqual = isDestArraysEqual;

    /***/ }),
  /* 23 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.SimpleLinkService = exports.PDFLinkService = undefined;

    let _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _dom_events = __webpack_require__(14);

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let PDFLinkService = function () {
      function PDFLinkService() {
        let _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        let eventBus = _ref.eventBus;
        let _ref$externalLinkTarg = _ref.externalLinkTarget;
        let externalLinkTarget = _ref$externalLinkTarg === undefined ? null : _ref$externalLinkTarg;
        let _ref$externalLinkRel = _ref.externalLinkRel;
        let externalLinkRel = _ref$externalLinkRel === undefined ? null : _ref$externalLinkRel;

        _classCallCheck(this, PDFLinkService);

        this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
        this.externalLinkTarget = externalLinkTarget;
        this.externalLinkRel = externalLinkRel;
        this.baseUrl = null;
        this.pdfDocument = null;
        this.pdfViewer = null;
        this.pdfHistory = null;
        this._pagesRefCache = null;
      }

      _createClass(PDFLinkService, [{
        key: 'setDocument',
        value: function setDocument(pdfDocument) {
          let baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

          this.baseUrl = baseUrl;
          this.pdfDocument = pdfDocument;
          this._pagesRefCache = Object.create(null);
        },
      }, {
        key: 'setViewer',
        value: function setViewer(pdfViewer) {
          this.pdfViewer = pdfViewer;
        },
      }, {
        key: 'setHistory',
        value: function setHistory(pdfHistory) {
          this.pdfHistory = pdfHistory;
        },
      }, {
        key: 'navigateTo',
        value: function navigateTo(dest) {
          let _this = this;

          let goToDestination = function goToDestination(_ref2) {
            let namedDest = _ref2.namedDest;
            let explicitDest = _ref2.explicitDest;

            let destRef = explicitDest[0];
            let pageNumber = void 0;
            if (destRef instanceof Object) {
              pageNumber = _this._cachedPageNumber(destRef);
              if (pageNumber === null) {
                _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                  _this.cachePageRef(pageIndex + 1, destRef);
                  goToDestination({
                    namedDest: namedDest,
                    explicitDest: explicitDest,
                  });
                }).catch(function () {
                  console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid page reference, for dest="' + dest + '".'));
                });
                return;
              }
            } else if (Number.isInteger(destRef)) {
              pageNumber = destRef + 1;
            } else {
              console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid destination reference, for dest="' + dest + '".'));
              return;
            }
            if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
              console.error('PDFLinkService.navigateTo: "' + pageNumber + '" is not ' + ('a valid page number, for dest="' + dest + '".'));
              return;
            }
            if (_this.pdfHistory) {
              _this.pdfHistory.pushCurrentPosition();
              _this.pdfHistory.push({
                namedDest: namedDest,
                explicitDest: explicitDest,
                pageNumber: pageNumber,
              });
            }
            _this.pdfViewer.scrollPageIntoView({
              pageNumber: pageNumber,
              destArray: explicitDest,
            });
          };
          new Promise(function (resolve, reject) {
            if (typeof dest === 'string') {
              _this.pdfDocument.getDestination(dest).then(function (destArray) {
                resolve({
                  namedDest: dest,
                  explicitDest: destArray,
                });
              });
              return;
            }
            resolve({
              namedDest: '',
              explicitDest: dest,
            });
          }).then(function (data) {
            if (!Array.isArray(data.explicitDest)) {
              console.error('PDFLinkService.navigateTo: "' + data.explicitDest + '" is' + (' not a valid destination array, for dest="' + dest + '".'));
              return;
            }
            goToDestination(data);
          });
        },
      }, {
        key: 'getDestinationHash',
        value: function getDestinationHash(dest) {
          if (typeof dest === 'string') {
            return this.getAnchorUrl('#' + escape(dest));
          }
          if (Array.isArray(dest)) {
            let str = JSON.stringify(dest);
            return this.getAnchorUrl('#' + escape(str));
          }
          return this.getAnchorUrl('');
        },
      }, {
        key: 'getAnchorUrl',
        value: function getAnchorUrl(anchor) {
          return (this.baseUrl || '') + anchor;
        },
      }, {
        key: 'setHash',
        value: function setHash(hash) {
          let pageNumber = void 0;
          let dest = void 0;
          if (hash.includes('=')) {
            let params = (0, _ui_utils.parseQueryString)(hash);
            if ('search' in params) {
              this.eventBus.dispatch('findfromurlhash', {
                source: this,
                query: params['search'].replace(/"/g, ''),
                phraseSearch: params['phrase'] === 'true',
              });
            }
            if ('nameddest' in params) {
              this.navigateTo(params.nameddest);
              return;
            }
            if ('page' in params) {
              pageNumber = params.page | 0 || 1;
            }
            if ('zoom' in params) {
              let zoomArgs = params.zoom.split(',');
              let zoomArg = zoomArgs[0];
              let zoomArgNumber = parseFloat(zoomArg);
              if (!zoomArg.includes('Fit')) {
                dest = [null, { name: 'XYZ', }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg,];
              } else {
                if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                  dest = [null, { name: zoomArg, },];
                } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                  dest = [null, { name: zoomArg, }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,];
                } else if (zoomArg === 'FitR') {
                  if (zoomArgs.length !== 5) {
                    console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
                  } else {
                    dest = [null, { name: zoomArg, }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0,];
                  }
                } else {
                  console.error('PDFLinkService.setHash: "' + zoomArg + '" is not ' + 'a valid zoom value.');
                }
              }
            }
            if (dest) {
              this.pdfViewer.scrollPageIntoView({
                pageNumber: pageNumber || this.page,
                destArray: dest,
                allowNegativeOffset: true,
              });
            } else if (pageNumber) {
              this.page = pageNumber;
            }
            if ('pagemode' in params) {
              this.eventBus.dispatch('pagemode', {
                source: this,
                mode: params.pagemode,
              });
            }
          } else {
            dest = unescape(hash);
            try {
              dest = JSON.parse(dest);
              if (!Array.isArray(dest)) {
                dest = dest.toString();
              }
            } catch (ex) {}
            if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
              this.navigateTo(dest);
              return;
            }
            console.error('PDFLinkService.setHash: "' + unescape(hash) + '" is not ' + 'a valid destination.');
          }
        },
      }, {
        key: 'executeNamedAction',
        value: function executeNamedAction(action) {
          switch (action) {
          case 'GoBack':
            if (this.pdfHistory) {
              this.pdfHistory.back();
            }
            break;
          case 'GoForward':
            if (this.pdfHistory) {
              this.pdfHistory.forward();
            }
            break;
          case 'NextPage':
            if (this.page < this.pagesCount) {
              this.page++;
            }
            break;
          case 'PrevPage':
            if (this.page > 1) {
              this.page--;
            }
            break;
          case 'LastPage':
            this.page = this.pagesCount;
            break;
          case 'FirstPage':
            this.page = 1;
            break;
          default:
            break;
          }
          this.eventBus.dispatch('namedaction', {
            source: this,
            action: action,
          });
        },
      }, {
        key: 'cachePageRef',
        value: function cachePageRef(pageNum, pageRef) {
          if (!pageRef) {
            return;
          }
          let refStr = pageRef.num + ' ' + pageRef.gen + ' R';
          this._pagesRefCache[refStr] = pageNum;
        },
      }, {
        key: '_cachedPageNumber',
        value: function _cachedPageNumber(pageRef) {
          let refStr = pageRef.num + ' ' + pageRef.gen + ' R';
          return this._pagesRefCache && this._pagesRefCache[refStr] || null;
        },
      }, {
        key: 'pagesCount',
        get: function get() {
          return this.pdfDocument ? this.pdfDocument.numPages : 0;
        },
      }, {
        key: 'page',
        get: function get() {
          return this.pdfViewer.currentPageNumber;
        },
        set: function set(value) {
          this.pdfViewer.currentPageNumber = value;
        },
      }, {
        key: 'rotation',
        get: function get() {
          return this.pdfViewer.pagesRotation;
        },
        set: function set(value) {
          this.pdfViewer.pagesRotation = value;
        },
      },]);

      return PDFLinkService;
    }();

    function isValidExplicitDestination(dest) {
      if (!Array.isArray(dest)) {
        return false;
      }
      let destLength = dest.length;
      let allowNull = true;
      if (destLength < 2) {
        return false;
      }
      let page = dest[0];
      if (!((typeof page === 'undefined' ? 'undefined' : _typeof(page)) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
        return false;
      }
      let zoom = dest[1];
      if (!((typeof zoom === 'undefined' ? 'undefined' : _typeof(zoom)) === 'object' && typeof zoom.name === 'string')) {
        return false;
      }
      switch (zoom.name) {
      case 'XYZ':
        if (destLength !== 5) {
          return false;
        }
        break;
      case 'Fit':
      case 'FitB':
        return destLength === 2;
      case 'FitH':
      case 'FitBH':
      case 'FitV':
      case 'FitBV':
        if (destLength !== 3) {
          return false;
        }
        break;
      case 'FitR':
        if (destLength !== 6) {
          return false;
        }
        allowNull = false;
        break;
      default:
        return false;
      }
      for (let i = 2; i < destLength; i++) {
        let param = dest[i];
        if (!(typeof param === 'number' || allowNull && param === null)) {
          return false;
        }
      }
      return true;
    }

    let SimpleLinkService = function () {
      function SimpleLinkService() {
        _classCallCheck(this, SimpleLinkService);

        this.externalLinkTarget = null;
        this.externalLinkRel = null;
      }

      _createClass(SimpleLinkService, [{
        key: 'navigateTo',
        value: function navigateTo(dest) {},
      }, {
        key: 'getDestinationHash',
        value: function getDestinationHash(dest) {
          return '#';
        },
      }, {
        key: 'getAnchorUrl',
        value: function getAnchorUrl(hash) {
          return '#';
        },
      }, {
        key: 'setHash',
        value: function setHash(hash) {},
      }, {
        key: 'executeNamedAction',
        value: function executeNamedAction(action) {},
      }, {
        key: 'cachePageRef',
        value: function cachePageRef(pageNum, pageRef) {},
      }, {
        key: 'pagesCount',
        get: function get() {
          return 0;
        },
      }, {
        key: 'page',
        get: function get() {
          return 0;
        },
        set: function set(value) {},
      }, {
        key: 'rotation',
        get: function get() {
          return 0;
        },
        set: function set(value) {},
      },]);

      return SimpleLinkService;
    }();

    exports.PDFLinkService = PDFLinkService;
    exports.SimpleLinkService = SimpleLinkService;

    /***/ }),
  /* 24 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFOutlineViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DEFAULT_TITLE = '\u2013';

    let PDFOutlineViewer = function () {
      function PDFOutlineViewer(_ref) {
        let container = _ref.container;
        let linkService = _ref.linkService;
        let eventBus = _ref.eventBus;

        _classCallCheck(this, PDFOutlineViewer);

        this.container = container;
        this.linkService = linkService;
        this.eventBus = eventBus;
        this.reset();
        eventBus.on('toggleoutlinetree', this.toggleOutlineTree.bind(this));
      }

      _createClass(PDFOutlineViewer, [{
        key: 'reset',
        value: function reset() {
          this.outline = null;
          this.lastToggleIsShow = true;
          this.container.textContent = '';
          this.container.classList.remove('outlineWithDeepNesting');
        },
      }, {
        key: '_dispatchEvent',
        value: function _dispatchEvent(outlineCount) {
          this.eventBus.dispatch('outlineloaded', {
            source: this,
            outlineCount: outlineCount,
          });
        },
      }, {
        key: '_bindLink',
        value: function _bindLink(element, _ref2) {
          let url = _ref2.url;
          let newWindow = _ref2.newWindow;
          let dest = _ref2.dest;
          let linkService = this.linkService;

          if (url) {
            (0, _pdfjsLib.addLinkAttributes)(element, {
              url: url,
              target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
              rel: linkService.externalLinkRel,
            });
            return;
          }
          element.href = linkService.getDestinationHash(dest);
          element.onclick = function () {
            if (dest) {
              linkService.navigateTo(dest);
            }
            return false;
          };
        },
      }, {
        key: '_setStyles',
        value: function _setStyles(element, _ref3) {
          let bold = _ref3.bold;
          let italic = _ref3.italic;

          let styleStr = '';
          if (bold) {
            styleStr += 'font-weight: bold;';
          }
          if (italic) {
            styleStr += 'font-style: italic;';
          }
          if (styleStr) {
            element.setAttribute('style', styleStr);
          }
        },
      }, {
        key: '_addToggleButton',
        value: function _addToggleButton(div) {
          let _this = this;

          let toggler = document.createElement('div');
          toggler.className = 'outlineItemToggler';
          toggler.onclick = function (evt) {
            evt.stopPropagation();
            toggler.classList.toggle('outlineItemsHidden');
            if (evt.shiftKey) {
              let shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
              _this._toggleOutlineItem(div, shouldShowAll);
            }
          };
          div.insertBefore(toggler, div.firstChild);
        },
      }, {
        key: '_toggleOutlineItem',
        value: function _toggleOutlineItem(root, show) {
          this.lastToggleIsShow = show;
          let togglers = root.querySelectorAll('.outlineItemToggler');
          for (let i = 0, ii = togglers.length; i < ii; ++i) {
            togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
          }
        },
      }, {
        key: 'toggleOutlineTree',
        value: function toggleOutlineTree() {
          if (!this.outline) {
            return;
          }
          this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
        },
      }, {
        key: 'render',
        value: function render(_ref4) {
          let outline = _ref4.outline;

          let outlineCount = 0;
          if (this.outline) {
            this.reset();
          }
          this.outline = outline || null;
          if (!outline) {
            this._dispatchEvent(outlineCount);
            return;
          }
          let fragment = document.createDocumentFragment();
          let queue = [{
            parent: fragment,
            items: this.outline,
          },];
          let hasAnyNesting = false;
          while (queue.length > 0) {
            let levelData = queue.shift();
            for (let i = 0, len = levelData.items.length; i < len; i++) {
              let item = levelData.items[i];
              let div = document.createElement('div');
              div.className = 'outlineItem';
              let element = document.createElement('a');
              this._bindLink(element, item);
              this._setStyles(element, item);
              element.textContent = (0, _pdfjsLib.removeNullCharacters)(item.title) || DEFAULT_TITLE;
              div.appendChild(element);
              if (item.items.length > 0) {
                hasAnyNesting = true;
                this._addToggleButton(div);
                let itemsDiv = document.createElement('div');
                itemsDiv.className = 'outlineItems';
                div.appendChild(itemsDiv);
                queue.push({
                  parent: itemsDiv,
                  items: item.items,
                });
              }
              levelData.parent.appendChild(div);
              outlineCount++;
            }
          }
          if (hasAnyNesting) {
            this.container.classList.add('outlineWithDeepNesting');
          }
          this.container.appendChild(fragment);
          this._dispatchEvent(outlineCount);
        },
      },]);

      return PDFOutlineViewer;
    }();

    exports.PDFOutlineViewer = PDFOutlineViewer;

    /***/ }),
  /* 25 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFPresentationMode = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
    let DELAY_BEFORE_HIDING_CONTROLS = 3000;
    let ACTIVE_SELECTOR = 'pdfPresentationMode';
    let CONTROLS_SELECTOR = 'pdfPresentationModeControls';
    let MOUSE_SCROLL_COOLDOWN_TIME = 50;
    let PAGE_SWITCH_THRESHOLD = 0.1;
    let SWIPE_MIN_DISTANCE_THRESHOLD = 50;
    let SWIPE_ANGLE_THRESHOLD = Math.PI / 6;

    let PDFPresentationMode = function () {
      function PDFPresentationMode(_ref) {
        let _this = this;

        let container = _ref.container;
        let _ref$viewer = _ref.viewer;
        let viewer = _ref$viewer === undefined ? null : _ref$viewer;
        let pdfViewer = _ref.pdfViewer;
        let eventBus = _ref.eventBus;
        let _ref$contextMenuItems = _ref.contextMenuItems;
        let contextMenuItems = _ref$contextMenuItems === undefined ? null : _ref$contextMenuItems;

        _classCallCheck(this, PDFPresentationMode);

        this.container = container;
        this.viewer = viewer || container.firstElementChild;
        this.pdfViewer = pdfViewer;
        this.eventBus = eventBus;
        this.active = false;
        this.args = null;
        this.contextMenuOpen = false;
        this.mouseScrollTimeStamp = 0;
        this.mouseScrollDelta = 0;
        this.touchSwipeState = null;
        if (contextMenuItems) {
          contextMenuItems.contextFirstPage.addEventListener('click', function () {
            _this.contextMenuOpen = false;
            _this.eventBus.dispatch('firstpage', { source: _this, });
          });
          contextMenuItems.contextLastPage.addEventListener('click', function () {
            _this.contextMenuOpen = false;
            _this.eventBus.dispatch('lastpage', { source: _this, });
          });
          contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
            _this.contextMenuOpen = false;
            _this.eventBus.dispatch('rotatecw', { source: _this, });
          });
          contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
            _this.contextMenuOpen = false;
            _this.eventBus.dispatch('rotateccw', { source: _this, });
          });
        }
      }

      _createClass(PDFPresentationMode, [{
        key: 'request',
        value: function request() {
          if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
            return false;
          }
          this._addFullscreenChangeListeners();
          this._setSwitchInProgress();
          this._notifyStateChange();
          if (this.container.requestFullscreen) {
            this.container.requestFullscreen();
          } else if (this.container.mozRequestFullScreen) {
            this.container.mozRequestFullScreen();
          } else if (this.container.webkitRequestFullscreen) {
            this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
          } else if (this.container.msRequestFullscreen) {
            this.container.msRequestFullscreen();
          } else {
            return false;
          }
          this.args = {
            page: this.pdfViewer.currentPageNumber,
            previousScale: this.pdfViewer.currentScaleValue,
          };
          return true;
        },
      }, {
        key: '_mouseWheel',
        value: function _mouseWheel(evt) {
          if (!this.active) {
            return;
          }
          evt.preventDefault();
          let delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
          let currentTime = new Date().getTime();
          let storedTime = this.mouseScrollTimeStamp;
          if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
            return;
          }
          if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
            this._resetMouseScrollState();
          }
          this.mouseScrollDelta += delta;
          if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
            let totalDelta = this.mouseScrollDelta;
            this._resetMouseScrollState();
            let success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
            if (success) {
              this.mouseScrollTimeStamp = currentTime;
            }
          }
        },
      }, {
        key: '_goToPreviousPage',
        value: function _goToPreviousPage() {
          let page = this.pdfViewer.currentPageNumber;
          if (page <= 1) {
            return false;
          }
          this.pdfViewer.currentPageNumber = page - 1;
          return true;
        },
      }, {
        key: '_goToNextPage',
        value: function _goToNextPage() {
          let page = this.pdfViewer.currentPageNumber;
          if (page >= this.pdfViewer.pagesCount) {
            return false;
          }
          this.pdfViewer.currentPageNumber = page + 1;
          return true;
        },
      }, {
        key: '_notifyStateChange',
        value: function _notifyStateChange() {
          this.eventBus.dispatch('presentationmodechanged', {
            source: this,
            active: this.active,
            switchInProgress: !!this.switchInProgress,
          });
        },
      }, {
        key: '_setSwitchInProgress',
        value: function _setSwitchInProgress() {
          let _this2 = this;

          if (this.switchInProgress) {
            clearTimeout(this.switchInProgress);
          }
          this.switchInProgress = setTimeout(function () {
            _this2._removeFullscreenChangeListeners();
            delete _this2.switchInProgress;
            _this2._notifyStateChange();
          }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
        },
      }, {
        key: '_resetSwitchInProgress',
        value: function _resetSwitchInProgress() {
          if (this.switchInProgress) {
            clearTimeout(this.switchInProgress);
            delete this.switchInProgress;
          }
        },
      }, {
        key: '_enter',
        value: function _enter() {
          let _this3 = this;

          this.active = true;
          this._resetSwitchInProgress();
          this._notifyStateChange();
          this.container.classList.add(ACTIVE_SELECTOR);
          setTimeout(function () {
            _this3.pdfViewer.currentPageNumber = _this3.args.page;
            _this3.pdfViewer.currentScaleValue = 'page-fit';
          }, 0);
          this._addWindowListeners();
          this._showControls();
          this.contextMenuOpen = false;
          this.container.setAttribute('contextmenu', 'viewerContextMenu');
          window.getSelection().removeAllRanges();
        },
      }, {
        key: '_exit',
        value: function _exit() {
          let _this4 = this;

          let page = this.pdfViewer.currentPageNumber;
          this.container.classList.remove(ACTIVE_SELECTOR);
          setTimeout(function () {
            _this4.active = false;
            _this4._removeFullscreenChangeListeners();
            _this4._notifyStateChange();
            _this4.pdfViewer.currentScaleValue = _this4.args.previousScale;
            _this4.pdfViewer.currentPageNumber = page;
            _this4.args = null;
          }, 0);
          this._removeWindowListeners();
          this._hideControls();
          this._resetMouseScrollState();
          this.container.removeAttribute('contextmenu');
          this.contextMenuOpen = false;
        },
      }, {
        key: '_mouseDown',
        value: function _mouseDown(evt) {
          if (this.contextMenuOpen) {
            this.contextMenuOpen = false;
            evt.preventDefault();
            return;
          }
          if (evt.button === 0) {
            let isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
            if (!isInternalLink) {
              evt.preventDefault();
              if (evt.shiftKey) {
                this._goToPreviousPage();
              } else {
                this._goToNextPage();
              }
            }
          }
        },
      }, {
        key: '_contextMenu',
        value: function _contextMenu() {
          this.contextMenuOpen = true;
        },
      }, {
        key: '_showControls',
        value: function _showControls() {
          let _this5 = this;

          if (this.controlsTimeout) {
            clearTimeout(this.controlsTimeout);
          } else {
            this.container.classList.add(CONTROLS_SELECTOR);
          }
          this.controlsTimeout = setTimeout(function () {
            _this5.container.classList.remove(CONTROLS_SELECTOR);
            delete _this5.controlsTimeout;
          }, DELAY_BEFORE_HIDING_CONTROLS);
        },
      }, {
        key: '_hideControls',
        value: function _hideControls() {
          if (!this.controlsTimeout) {
            return;
          }
          clearTimeout(this.controlsTimeout);
          this.container.classList.remove(CONTROLS_SELECTOR);
          delete this.controlsTimeout;
        },
      }, {
        key: '_resetMouseScrollState',
        value: function _resetMouseScrollState() {
          this.mouseScrollTimeStamp = 0;
          this.mouseScrollDelta = 0;
        },
      }, {
        key: '_touchSwipe',
        value: function _touchSwipe(evt) {
          if (!this.active) {
            return;
          }
          if (evt.touches.length > 1) {
            this.touchSwipeState = null;
            return;
          }
          switch (evt.type) {
          case 'touchstart':
            this.touchSwipeState = {
              startX: evt.touches[0].pageX,
              startY: evt.touches[0].pageY,
              endX: evt.touches[0].pageX,
              endY: evt.touches[0].pageY,
            };
            break;
          case 'touchmove':
            if (this.touchSwipeState === null) {
              return;
            }
            this.touchSwipeState.endX = evt.touches[0].pageX;
            this.touchSwipeState.endY = evt.touches[0].pageY;
            evt.preventDefault();
            break;
          case 'touchend':
            if (this.touchSwipeState === null) {
              return;
            }
            var delta = 0;
            var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
            var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
            var absAngle = Math.abs(Math.atan2(dy, dx));
            if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
              delta = dx;
            } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
              delta = dy;
            }
            if (delta > 0) {
              this._goToPreviousPage();
            } else if (delta < 0) {
              this._goToNextPage();
            }
            break;
          }
        },
      }, {
        key: '_addWindowListeners',
        value: function _addWindowListeners() {
          this.showControlsBind = this._showControls.bind(this);
          this.mouseDownBind = this._mouseDown.bind(this);
          this.mouseWheelBind = this._mouseWheel.bind(this);
          this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
          this.contextMenuBind = this._contextMenu.bind(this);
          this.touchSwipeBind = this._touchSwipe.bind(this);
          window.addEventListener('mousemove', this.showControlsBind);
          window.addEventListener('mousedown', this.mouseDownBind);
          window.addEventListener('wheel', this.mouseWheelBind);
          window.addEventListener('keydown', this.resetMouseScrollStateBind);
          window.addEventListener('contextmenu', this.contextMenuBind);
          window.addEventListener('touchstart', this.touchSwipeBind);
          window.addEventListener('touchmove', this.touchSwipeBind);
          window.addEventListener('touchend', this.touchSwipeBind);
        },
      }, {
        key: '_removeWindowListeners',
        value: function _removeWindowListeners() {
          window.removeEventListener('mousemove', this.showControlsBind);
          window.removeEventListener('mousedown', this.mouseDownBind);
          window.removeEventListener('wheel', this.mouseWheelBind);
          window.removeEventListener('keydown', this.resetMouseScrollStateBind);
          window.removeEventListener('contextmenu', this.contextMenuBind);
          window.removeEventListener('touchstart', this.touchSwipeBind);
          window.removeEventListener('touchmove', this.touchSwipeBind);
          window.removeEventListener('touchend', this.touchSwipeBind);
          delete this.showControlsBind;
          delete this.mouseDownBind;
          delete this.mouseWheelBind;
          delete this.resetMouseScrollStateBind;
          delete this.contextMenuBind;
          delete this.touchSwipeBind;
        },
      }, {
        key: '_fullscreenChange',
        value: function _fullscreenChange() {
          if (this.isFullscreen) {
            this._enter();
          } else {
            this._exit();
          }
        },
      }, {
        key: '_addFullscreenChangeListeners',
        value: function _addFullscreenChangeListeners() {
          this.fullscreenChangeBind = this._fullscreenChange.bind(this);
          window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
          window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
          window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
          window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
        },
      }, {
        key: '_removeFullscreenChangeListeners',
        value: function _removeFullscreenChangeListeners() {
          window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
          window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
          window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
          window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
          delete this.fullscreenChangeBind;
        },
      }, {
        key: 'isFullscreen',
        get: function get() {
          return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
        },
      },]);

      return PDFPresentationMode;
    }();

    exports.PDFPresentationMode = PDFPresentationMode;

    /***/ }),
  /* 26 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFSidebarResizer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let SIDEBAR_WIDTH_VAR = '--sidebar-width';
    let SIDEBAR_MIN_WIDTH = 200;
    let SIDEBAR_RESIZING_CLASS = 'sidebarResizing';

    let PDFSidebarResizer = function () {
      function PDFSidebarResizer(options, eventBus) {
        let _this = this;

        let l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

        _classCallCheck(this, PDFSidebarResizer);

        this.enabled = false;
        this.isRTL = false;
        this.sidebarOpen = false;
        this.doc = document.documentElement;
        this._width = null;
        this._outerContainerWidth = null;
        this._boundEvents = Object.create(null);
        this.outerContainer = options.outerContainer;
        this.resizer = options.resizer;
        this.eventBus = eventBus;
        this.l10n = l10n;
        if (typeof CSS === 'undefined' || typeof CSS.supports !== 'function' || !CSS.supports(SIDEBAR_WIDTH_VAR, 'calc(-1 * ' + SIDEBAR_MIN_WIDTH + 'px)')) {
          console.warn('PDFSidebarResizer: ' + 'The browser does not support resizing of the sidebar.');
          return;
        }
        this.enabled = true;
        this.resizer.classList.remove('hidden');
        this.l10n.getDirection().then(function (dir) {
          _this.isRTL = dir === 'rtl';
        });
        this._addEventListeners();
      }

      _createClass(PDFSidebarResizer, [{
        key: '_updateWidth',
        value: function _updateWidth() {
          let width = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

          if (!this.enabled) {
            return false;
          }
          let maxWidth = Math.floor(this.outerContainerWidth / 2);
          if (width > maxWidth) {
            width = maxWidth;
          }
          if (width < SIDEBAR_MIN_WIDTH) {
            width = SIDEBAR_MIN_WIDTH;
          }
          if (width === this._width) {
            return false;
          }
          this._width = width;
          this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, width + 'px');
          return true;
        },
      }, {
        key: '_mouseMove',
        value: function _mouseMove(evt) {
          let width = evt.clientX;
          if (this.isRTL) {
            width = this.outerContainerWidth - width;
          }
          this._updateWidth(width);
        },
      }, {
        key: '_mouseUp',
        value: function _mouseUp(evt) {
          this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
          this.eventBus.dispatch('resize', { source: this, });
          let _boundEvents = this._boundEvents;
          window.removeEventListener('mousemove', _boundEvents.mouseMove);
          window.removeEventListener('mouseup', _boundEvents.mouseUp);
        },
      }, {
        key: '_addEventListeners',
        value: function _addEventListeners() {
          let _this2 = this;

          if (!this.enabled) {
            return;
          }
          let _boundEvents = this._boundEvents;
          _boundEvents.mouseMove = this._mouseMove.bind(this);
          _boundEvents.mouseUp = this._mouseUp.bind(this);
          this.resizer.addEventListener('mousedown', function (evt) {
            if (evt.button !== 0) {
              return;
            }
            _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
            window.addEventListener('mousemove', _boundEvents.mouseMove);
            window.addEventListener('mouseup', _boundEvents.mouseUp);
          });
          this.eventBus.on('sidebarviewchanged', function (evt) {
            _this2.sidebarOpen = !!(evt && evt.view);
          });
          this.eventBus.on('resize', function (evt) {
            if (evt && evt.source === window) {
              _this2._outerContainerWidth = null;
              if (_this2._width) {
                if (_this2.sidebarOpen) {
                  _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
                  let updated = _this2._updateWidth(_this2._width);
                  Promise.resolve().then(function () {
                    _this2.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
                    if (updated) {
                      _this2.eventBus.dispatch('resize', { source: _this2, });
                    }
                  });
                } else {
                  _this2._updateWidth(_this2._width);
                }
              }
            }
          });
        },
      }, {
        key: 'outerContainerWidth',
        get: function get() {
          if (!this._outerContainerWidth) {
            this._outerContainerWidth = this.outerContainer.clientWidth;
          }
          return this._outerContainerWidth;
        },
      },]);

      return PDFSidebarResizer;
    }();

    exports.PDFSidebarResizer = PDFSidebarResizer;

    /***/ }),
  /* 27 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFThumbnailViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdf_thumbnail_view = __webpack_require__(28);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let THUMBNAIL_SCROLL_MARGIN = -19;
    let THUMBNAIL_SELECTED_CLASS = 'selected';

    let PDFThumbnailViewer = function () {
      function PDFThumbnailViewer(_ref) {
        let container = _ref.container;
        let linkService = _ref.linkService;
        let renderingQueue = _ref.renderingQueue;
        let _ref$l10n = _ref.l10n;
        let l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

        _classCallCheck(this, PDFThumbnailViewer);

        this.container = container;
        this.linkService = linkService;
        this.renderingQueue = renderingQueue;
        this.l10n = l10n;
        this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
        this._resetView();
      }

      _createClass(PDFThumbnailViewer, [{
        key: '_scrollUpdated',
        value: function _scrollUpdated() {
          this.renderingQueue.renderHighestPriority();
        },
      }, {
        key: 'getThumbnail',
        value: function getThumbnail(index) {
          return this._thumbnails[index];
        },
      }, {
        key: '_getVisibleThumbs',
        value: function _getVisibleThumbs() {
          return (0, _ui_utils.getVisibleElements)(this.container, this._thumbnails);
        },
      }, {
        key: 'scrollThumbnailIntoView',
        value: function scrollThumbnailIntoView(pageNumber) {
          if (!this.pdfDocument) {
            return;
          }
          let thumbnailView = this._thumbnails[pageNumber - 1];
          if (!thumbnailView) {
            console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
            return;
          }
          if (pageNumber !== this._currentPageNumber) {
            let prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
            prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
            thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
          }
          let visibleThumbs = this._getVisibleThumbs();
          let numVisibleThumbs = visibleThumbs.views.length;
          if (numVisibleThumbs > 0) {
            let first = visibleThumbs.first.id;
            let last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
            let shouldScroll = false;
            if (pageNumber <= first || pageNumber >= last) {
              shouldScroll = true;
            } else {
              visibleThumbs.views.some(function (view) {
                if (view.id !== pageNumber) {
                  return false;
                }
                shouldScroll = view.percent < 100;
                return true;
              });
            }
            if (shouldScroll) {
              (0, _ui_utils.scrollIntoView)(thumbnailView.div, { top: THUMBNAIL_SCROLL_MARGIN, });
            }
          }
          this._currentPageNumber = pageNumber;
        },
      }, {
        key: 'cleanup',
        value: function cleanup() {
          _pdf_thumbnail_view.PDFThumbnailView.cleanup();
        },
      }, {
        key: '_resetView',
        value: function _resetView() {
          this._thumbnails = [];
          this._currentPageNumber = 1;
          this._pageLabels = null;
          this._pagesRotation = 0;
          this._pagesRequests = [];
          this.container.textContent = '';
        },
      }, {
        key: 'setDocument',
        value: function setDocument(pdfDocument) {
          let _this = this;

          if (this.pdfDocument) {
            this._cancelRendering();
            this._resetView();
          }
          this.pdfDocument = pdfDocument;
          if (!pdfDocument) {
            return;
          }
          pdfDocument.getPage(1).then(function (firstPage) {
            let pagesCount = pdfDocument.numPages;
            let viewport = firstPage.getViewport(1.0);
            for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
              let thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
                container: _this.container,
                id: pageNum,
                defaultViewport: viewport.clone(),
                linkService: _this.linkService,
                renderingQueue: _this.renderingQueue,
                disableCanvasToImageConversion: false,
                l10n: _this.l10n,
              });
              _this._thumbnails.push(thumbnail);
            }
            let thumbnailView = _this._thumbnails[_this._currentPageNumber - 1];
            thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
          }).catch(function (reason) {
            console.error('Unable to initialize thumbnail viewer', reason);
          });
        },
      }, {
        key: '_cancelRendering',
        value: function _cancelRendering() {
          for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
            if (this._thumbnails[i]) {
              this._thumbnails[i].cancelRendering();
            }
          }
        },
      }, {
        key: 'setPageLabels',
        value: function setPageLabels(labels) {
          if (!this.pdfDocument) {
            return;
          }
          if (!labels) {
            this._pageLabels = null;
          } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
            this._pageLabels = null;
            console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
          } else {
            this._pageLabels = labels;
          }
          for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
            let label = this._pageLabels && this._pageLabels[i];
            this._thumbnails[i].setPageLabel(label);
          }
        },
      }, {
        key: '_ensurePdfPageLoaded',
        value: function _ensurePdfPageLoaded(thumbView) {
          let _this2 = this;

          if (thumbView.pdfPage) {
            return Promise.resolve(thumbView.pdfPage);
          }
          let pageNumber = thumbView.id;
          if (this._pagesRequests[pageNumber]) {
            return this._pagesRequests[pageNumber];
          }
          let promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
            thumbView.setPdfPage(pdfPage);
            _this2._pagesRequests[pageNumber] = null;
            return pdfPage;
          }).catch(function (reason) {
            console.error('Unable to get page for thumb view', reason);
            _this2._pagesRequests[pageNumber] = null;
          });
          this._pagesRequests[pageNumber] = promise;
          return promise;
        },
      }, {
        key: 'forceRendering',
        value: function forceRendering() {
          let _this3 = this;

          let visibleThumbs = this._getVisibleThumbs();
          let thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
          if (thumbView) {
            this._ensurePdfPageLoaded(thumbView).then(function () {
              _this3.renderingQueue.renderView(thumbView);
            });
            return true;
          }
          return false;
        },
      }, {
        key: 'pagesRotation',
        get: function get() {
          return this._pagesRotation;
        },
        set: function set(rotation) {
          if (!(0, _ui_utils.isValidRotation)(rotation)) {
            throw new Error('Invalid thumbnails rotation angle.');
          }
          if (!this.pdfDocument) {
            return;
          }
          if (this._pagesRotation === rotation) {
            return;
          }
          this._pagesRotation = rotation;
          for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
            this._thumbnails[i].update(rotation);
          }
        },
      },]);

      return PDFThumbnailViewer;
    }();

    exports.PDFThumbnailViewer = PDFThumbnailViewer;

    /***/ }),
  /* 28 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFThumbnailView = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    let _ui_utils = __webpack_require__(6);

    let _pdf_rendering_queue = __webpack_require__(10);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let MAX_NUM_SCALING_STEPS = 3;
    let THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
    let THUMBNAIL_WIDTH = 98;
    let TempImageFactory = function TempImageFactoryClosure() {
      let tempCanvasCache = null;
      return {
        getCanvas: function getCanvas(width, height) {
          let tempCanvas = tempCanvasCache;
          if (!tempCanvas) {
            tempCanvas = document.createElement('canvas');
            tempCanvasCache = tempCanvas;
          }
          tempCanvas.width = width;
          tempCanvas.height = height;
          tempCanvas.mozOpaque = true;
          let ctx = tempCanvas.getContext('2d', { alpha: false, });
          ctx.save();
          ctx.fillStyle = 'rgb(255, 255, 255)';
          ctx.fillRect(0, 0, width, height);
          ctx.restore();
          return tempCanvas;
        },
        destroyCanvas: function destroyCanvas() {
          let tempCanvas = tempCanvasCache;
          if (tempCanvas) {
            tempCanvas.width = 0;
            tempCanvas.height = 0;
          }
          tempCanvasCache = null;
        },
      };
    }();

    let PDFThumbnailView = function () {
      function PDFThumbnailView(_ref) {
        let container = _ref.container;
        let id = _ref.id;
        let defaultViewport = _ref.defaultViewport;
        let linkService = _ref.linkService;
        let renderingQueue = _ref.renderingQueue;
        let _ref$disableCanvasToI = _ref.disableCanvasToImageConversion;
        let disableCanvasToImageConversion = _ref$disableCanvasToI === undefined ? false : _ref$disableCanvasToI;
        let _ref$l10n = _ref.l10n;
        let l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

        _classCallCheck(this, PDFThumbnailView);

        this.id = id;
        this.renderingId = 'thumbnail' + id;
        this.pageLabel = null;
        this.pdfPage = null;
        this.rotation = 0;
        this.viewport = defaultViewport;
        this.pdfPageRotate = defaultViewport.rotation;
        this.linkService = linkService;
        this.renderingQueue = renderingQueue;
        this.renderTask = null;
        this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
        this.resume = null;
        this.disableCanvasToImageConversion = disableCanvasToImageConversion;
        this.pageWidth = this.viewport.width;
        this.pageHeight = this.viewport.height;
        this.pageRatio = this.pageWidth / this.pageHeight;
        this.canvasWidth = THUMBNAIL_WIDTH;
        this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
        this.scale = this.canvasWidth / this.pageWidth;
        this.l10n = l10n;
        let anchor = document.createElement('a');
        anchor.href = linkService.getAnchorUrl('#page=' + id);
        this.l10n.get('thumb_page_title', { page: id, }, 'Page {{page}}').then(function (msg) {
          anchor.title = msg;
        });
        anchor.onclick = function () {
          linkService.page = id;
          return false;
        };
        this.anchor = anchor;
        let div = document.createElement('div');
        div.className = 'thumbnail';
        div.setAttribute('data-page-number', this.id);
        this.div = div;
        let ring = document.createElement('div');
        ring.className = 'thumbnailSelectionRing';
        let borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
        ring.style.width = this.canvasWidth + borderAdjustment + 'px';
        ring.style.height = this.canvasHeight + borderAdjustment + 'px';
        this.ring = ring;
        div.appendChild(ring);
        anchor.appendChild(div);
        container.appendChild(anchor);
      }

      _createClass(PDFThumbnailView, [{
        key: 'setPdfPage',
        value: function setPdfPage(pdfPage) {
          this.pdfPage = pdfPage;
          this.pdfPageRotate = pdfPage.rotate;
          let totalRotation = (this.rotation + this.pdfPageRotate) % 360;
          this.viewport = pdfPage.getViewport(1, totalRotation);
          this.reset();
        },
      }, {
        key: 'reset',
        value: function reset() {
          this.cancelRendering();
          this.pageWidth = this.viewport.width;
          this.pageHeight = this.viewport.height;
          this.pageRatio = this.pageWidth / this.pageHeight;
          this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
          this.scale = this.canvasWidth / this.pageWidth;
          this.div.removeAttribute('data-loaded');
          let ring = this.ring;
          let childNodes = ring.childNodes;
          for (let i = childNodes.length - 1; i >= 0; i--) {
            ring.removeChild(childNodes[i]);
          }
          let borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
          ring.style.width = this.canvasWidth + borderAdjustment + 'px';
          ring.style.height = this.canvasHeight + borderAdjustment + 'px';
          if (this.canvas) {
            this.canvas.width = 0;
            this.canvas.height = 0;
            delete this.canvas;
          }
          if (this.image) {
            this.image.removeAttribute('src');
            delete this.image;
          }
        },
      }, {
        key: 'update',
        value: function update(rotation) {
          if (typeof rotation !== 'undefined') {
            this.rotation = rotation;
          }
          let totalRotation = (this.rotation + this.pdfPageRotate) % 360;
          this.viewport = this.viewport.clone({
            scale: 1,
            rotation: totalRotation,
          });
          this.reset();
        },
      }, {
        key: 'cancelRendering',
        value: function cancelRendering() {
          if (this.renderTask) {
            this.renderTask.cancel();
            this.renderTask = null;
          }
          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
          this.resume = null;
        },
      }, {
        key: '_getPageDrawContext',
        value: function _getPageDrawContext() {
          let noCtxScale = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          let canvas = document.createElement('canvas');
          this.canvas = canvas;
          canvas.mozOpaque = true;
          let ctx = canvas.getContext('2d', { alpha: false, });
          let outputScale = (0, _ui_utils.getOutputScale)(ctx);
          canvas.width = this.canvasWidth * outputScale.sx | 0;
          canvas.height = this.canvasHeight * outputScale.sy | 0;
          canvas.style.width = this.canvasWidth + 'px';
          canvas.style.height = this.canvasHeight + 'px';
          if (!noCtxScale && outputScale.scaled) {
            ctx.scale(outputScale.sx, outputScale.sy);
          }
          return ctx;
        },
      }, {
        key: '_convertCanvasToImage',
        value: function _convertCanvasToImage() {
          let _this = this;

          if (!this.canvas) {
            return;
          }
          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
            return;
          }
          let id = this.renderingId;
          let className = 'thumbnailImage';
          if (this.disableCanvasToImageConversion) {
            this.canvas.id = id;
            this.canvas.className = className;
            this.l10n.get('thumb_page_canvas', { page: this.pageId, }, 'Thumbnail of Page {{page}}').then(function (msg) {
              _this.canvas.setAttribute('aria-label', msg);
            });
            this.div.setAttribute('data-loaded', true);
            this.ring.appendChild(this.canvas);
            return;
          }
          let image = document.createElement('img');
          image.id = id;
          image.className = className;
          this.l10n.get('thumb_page_canvas', { page: this.pageId, }, 'Thumbnail of Page {{page}}').then(function (msg) {
            image.setAttribute('aria-label', msg);
          });
          image.style.width = this.canvasWidth + 'px';
          image.style.height = this.canvasHeight + 'px';
          image.src = this.canvas.toDataURL();
          this.image = image;
          this.div.setAttribute('data-loaded', true);
          this.ring.appendChild(image);
          this.canvas.width = 0;
          this.canvas.height = 0;
          delete this.canvas;
        },
      }, {
        key: 'draw',
        value: function draw() {
          let _this2 = this;

          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
            console.error('Must be in new state before drawing');
            return Promise.resolve(undefined);
          }
          this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
          let renderCapability = (0, _pdfjsLib.createPromiseCapability)();
          let finishRenderTask = function finishRenderTask(error) {
            if (renderTask === _this2.renderTask) {
              _this2.renderTask = null;
            }
            if (error instanceof _pdfjsLib.RenderingCancelledException) {
              renderCapability.resolve(undefined);
              return;
            }
            _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
            _this2._convertCanvasToImage();
            if (!error) {
              renderCapability.resolve(undefined);
            } else {
              renderCapability.reject(error);
            }
          };
          let ctx = this._getPageDrawContext();
          let drawViewport = this.viewport.clone({ scale: this.scale, });
          let renderContinueCallback = function renderContinueCallback(cont) {
            if (!_this2.renderingQueue.isHighestPriority(_this2)) {
              _this2.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
              _this2.resume = function () {
                _this2.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                cont();
              };
              return;
            }
            cont();
          };
          let renderContext = {
            canvasContext: ctx,
            viewport: drawViewport,
          };
          var renderTask = this.renderTask = this.pdfPage.render(renderContext);
          renderTask.onContinue = renderContinueCallback;
          renderTask.promise.then(function () {
            finishRenderTask(null);
          }, function (error) {
            finishRenderTask(error);
          });
          return renderCapability.promise;
        },
      }, {
        key: 'setImage',
        value: function setImage(pageView) {
          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
            return;
          }
          let img = pageView.canvas;
          if (!img) {
            return;
          }
          if (!this.pdfPage) {
            this.setPdfPage(pageView.pdfPage);
          }
          this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
          let ctx = this._getPageDrawContext(true);
          let canvas = ctx.canvas;
          if (img.width <= 2 * canvas.width) {
            ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
            this._convertCanvasToImage();
            return;
          }
          let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
          let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
          let reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
          let reducedImageCtx = reducedImage.getContext('2d');
          while (reducedWidth > img.width || reducedHeight > img.height) {
            reducedWidth >>= 1;
            reducedHeight >>= 1;
          }
          reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
          while (reducedWidth > 2 * canvas.width) {
            reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
            reducedWidth >>= 1;
            reducedHeight >>= 1;
          }
          ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
          this._convertCanvasToImage();
        },
      }, {
        key: 'setPageLabel',
        value: function setPageLabel(label) {
          let _this3 = this;

          this.pageLabel = typeof label === 'string' ? label : null;
          this.l10n.get('thumb_page_title', { page: this.pageId, }, 'Page {{page}}').then(function (msg) {
            _this3.anchor.title = msg;
          });
          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
            return;
          }
          this.l10n.get('thumb_page_canvas', { page: this.pageId, }, 'Thumbnail of Page {{page}}').then(function (ariaLabel) {
            if (_this3.image) {
              _this3.image.setAttribute('aria-label', ariaLabel);
            } else if (_this3.disableCanvasToImageConversion && _this3.canvas) {
              _this3.canvas.setAttribute('aria-label', ariaLabel);
            }
          });
        },
      }, {
        key: 'pageId',
        get: function get() {
          return this.pageLabel !== null ? this.pageLabel : this.id;
        },
      },], [{
        key: 'cleanup',
        value: function cleanup() {
          TempImageFactory.destroyCanvas();
        },
      },]);

      return PDFThumbnailView;
    }();

    exports.PDFThumbnailView = PDFThumbnailView;

    /***/ }),
  /* 29 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _base_viewer = __webpack_require__(30);

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true, }, }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

    let PDFViewer = function (_BaseViewer) {
      _inherits(PDFViewer, _BaseViewer);

      function PDFViewer() {
        _classCallCheck(this, PDFViewer);

        return _possibleConstructorReturn(this, (PDFViewer.__proto__ || Object.getPrototypeOf(PDFViewer)).apply(this, arguments));
      }

      _createClass(PDFViewer, [{
        key: '_scrollIntoView',
        value: function _scrollIntoView(_ref) {
          let pageDiv = _ref.pageDiv;
          let _ref$pageSpot = _ref.pageSpot;
          let pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;

          if (!pageSpot && !this.isInPresentationMode) {
            let left = pageDiv.offsetLeft + pageDiv.clientLeft;
            let right = left + pageDiv.clientWidth;
            let _container = this.container;
            let scrollLeft = _container.scrollLeft;
            let clientWidth = _container.clientWidth;

            if (this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
              pageSpot = {
                left: 0,
                top: 0,
              };
            }
          }
          (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
        },
      }, {
        key: '_getVisiblePages',
        value: function _getVisiblePages() {
          if (!this.isInPresentationMode) {
            return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL);
          }
          let currentPage = this._pages[this._currentPageNumber - 1];
          let visible = [{
            id: currentPage.id,
            view: currentPage,
          },];
          return {
            first: currentPage,
            last: currentPage,
            views: visible,
          };
        },
      }, {
        key: 'update',
        value: function update() {
          let visible = this._getVisiblePages();
          let visiblePages = visible.views;
          let numVisiblePages = visiblePages.length;
          if (numVisiblePages === 0) {
            return;
          }
          this._resizeBuffer(numVisiblePages, visiblePages);
          this.renderingQueue.renderHighestPriority(visible);
          let currentId = this._currentPageNumber;
          let stillFullyVisible = false;
          for (let i = 0; i < numVisiblePages; ++i) {
            let page = visiblePages[i];
            if (page.percent < 100) {
              break;
            }
            if (page.id === currentId) {
              stillFullyVisible = true;
              break;
            }
          }
          if (!stillFullyVisible) {
            currentId = visiblePages[0].id;
          }
          if (!this.isInPresentationMode) {
            this._setCurrentPageNumber(currentId);
          }
          this._updateLocation(visible.first);
          this.eventBus.dispatch('updateviewarea', {
            source: this,
            location: this._location,
          });
        },
      }, {
        key: '_setDocumentViewerElement',
        get: function get() {
          return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
        },
      }, {
        key: '_isScrollModeHorizontal',
        get: function get() {
          return this.isInPresentationMode ? false : this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL;
        },
      },]);

      return PDFViewer;
    }(_base_viewer.BaseViewer);

    exports.PDFViewer = PDFViewer;

    /***/ }),
  /* 30 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.SpreadMode = exports.ScrollMode = exports.BaseViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdf_rendering_queue = __webpack_require__(10);

    let _annotation_layer_builder = __webpack_require__(31);

    let _pdfjsLib = __webpack_require__(7);

    let _dom_events = __webpack_require__(14);

    let _pdf_page_view = __webpack_require__(32);

    let _pdf_link_service = __webpack_require__(23);

    let _text_layer_builder = __webpack_require__(33);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DEFAULT_CACHE_SIZE = 10;
    let ScrollMode = {
      VERTICAL: 0,
      HORIZONTAL: 1,
      WRAPPED: 2,
    };
    let SpreadMode = {
      NONE: 0,
      ODD: 1,
      EVEN: 2,
    };
    function PDFPageViewBuffer(size) {
      let data = [];
      this.push = function (view) {
        let i = data.indexOf(view);
        if (i >= 0) {
          data.splice(i, 1);
        }
        data.push(view);
        if (data.length > size) {
          data.shift().destroy();
        }
      };
      this.resize = function (newSize, pagesToKeep) {
        size = newSize;
        if (pagesToKeep) {
          let pageIdsToKeep = new Set();
          for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
            pageIdsToKeep.add(pagesToKeep[i].id);
          }
          (0, _ui_utils.moveToEndOfArray)(data, function (page) {
            return pageIdsToKeep.has(page.id);
          });
        }
        while (data.length > size) {
          data.shift().destroy();
        }
      };
    }
    function isSameScale(oldScale, newScale) {
      if (newScale === oldScale) {
        return true;
      }
      if (Math.abs(newScale - oldScale) < 1e-15) {
        return true;
      }
      return false;
    }

    let BaseViewer = function () {
      function BaseViewer(options) {
        let _this = this;

        _classCallCheck(this, BaseViewer);

        if (this.constructor === BaseViewer) {
          throw new Error('Cannot initialize BaseViewer.');
        }
        this._name = this.constructor.name;
        this.container = options.container;
        this.viewer = options.viewer || options.container.firstElementChild;
        this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
        this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
        this.downloadManager = options.downloadManager || null;
        this.findController = options.findController || null;
        this.removePageBorders = options.removePageBorders || false;
        this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
        this.imageResourcesPath = options.imageResourcesPath || '';
        this.renderInteractiveForms = options.renderInteractiveForms || false;
        this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
        this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
        this.enableWebGL = options.enableWebGL || false;
        this.useOnlyCssZoom = options.useOnlyCssZoom || false;
        this.maxCanvasPixels = options.maxCanvasPixels;
        this.l10n = options.l10n || _ui_utils.NullL10n;
        this.defaultRenderingQueue = !options.renderingQueue;
        if (this.defaultRenderingQueue) {
          this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
          this.renderingQueue.setViewer(this);
        } else {
          this.renderingQueue = options.renderingQueue;
        }
        this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
        this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
        this._resetView();
        if (this.removePageBorders) {
          this.viewer.classList.add('removePageBorders');
        }
        Promise.resolve().then(function () {
          _this.eventBus.dispatch('baseviewerinit', { source: _this, });
        });
      }

      _createClass(BaseViewer, [{
        key: 'getPageView',
        value: function getPageView(index) {
          return this._pages[index];
        },
      }, {
        key: '_setCurrentPageNumber',
        value: function _setCurrentPageNumber(val) {
          let resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          if (this._currentPageNumber === val) {
            if (resetCurrentPageView) {
              this._resetCurrentPageView();
            }
            return;
          }
          if (!(0 < val && val <= this.pagesCount)) {
            console.error(this._name + '._setCurrentPageNumber: "' + val + '" is out of bounds.');
            return;
          }
          let arg = {
            source: this,
            pageNumber: val,
            pageLabel: this._pageLabels && this._pageLabels[val - 1],
          };
          this._currentPageNumber = val;
          this.eventBus.dispatch('pagechanging', arg);
          this.eventBus.dispatch('pagechange', arg);
          if (resetCurrentPageView) {
            this._resetCurrentPageView();
          }
        },
      }, {
        key: 'setDocument',
        value: function setDocument(pdfDocument) {
          let _this2 = this;

          if (this.pdfDocument) {
            this._cancelRendering();
            this._resetView();
            if (this.findController) {
              this.findController.setDocument(null);
            }
          }
          this.pdfDocument = pdfDocument;
          if (!pdfDocument) {
            return;
          }
          let pagesCount = pdfDocument.numPages;
          let pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
          this.pagesPromise = pagesCapability.promise;
          pagesCapability.promise.then(function () {
            _this2._pageViewsReady = true;
            _this2.eventBus.dispatch('pagesloaded', {
              source: _this2,
              pagesCount: pagesCount,
            });
          });
          let isOnePageRenderedResolved = false;
          let onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
          this.onePageRendered = onePageRenderedCapability.promise;
          let bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
            pageView.onBeforeDraw = function () {
              _this2._buffer.push(pageView);
            };
            pageView.onAfterDraw = function () {
              if (!isOnePageRenderedResolved) {
                isOnePageRenderedResolved = true;
                onePageRenderedCapability.resolve();
              }
            };
          };
          let firstPagePromise = pdfDocument.getPage(1);
          this.firstPagePromise = firstPagePromise;
          firstPagePromise.then(function (pdfPage) {
            let scale = _this2.currentScale;
            let viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS);
            for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
              let textLayerFactory = null;
              if (_this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE) {
                textLayerFactory = _this2;
              }
              let pageView = new _pdf_page_view.PDFPageView({
                container: _this2._setDocumentViewerElement,
                eventBus: _this2.eventBus,
                id: pageNum,
                scale: scale,
                defaultViewport: viewport.clone(),
                renderingQueue: _this2.renderingQueue,
                textLayerFactory: textLayerFactory,
                textLayerMode: _this2.textLayerMode,
                annotationLayerFactory: _this2,
                imageResourcesPath: _this2.imageResourcesPath,
                renderInteractiveForms: _this2.renderInteractiveForms,
                renderer: _this2.renderer,
                enableWebGL: _this2.enableWebGL,
                useOnlyCssZoom: _this2.useOnlyCssZoom,
                maxCanvasPixels: _this2.maxCanvasPixels,
                l10n: _this2.l10n,
              });
              bindOnAfterAndBeforeDraw(pageView);
              _this2._pages.push(pageView);
            }
            if (_this2._spreadMode !== SpreadMode.NONE) {
              _this2._updateSpreadMode();
            }
            onePageRenderedCapability.promise.then(function () {
              if (pdfDocument.loadingParams['disableAutoFetch']) {
                pagesCapability.resolve();
                return;
              }
              let getPagesLeft = pagesCount;

              let _loop = function _loop(_pageNum) {
                pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                  let pageView = _this2._pages[_pageNum - 1];
                  if (!pageView.pdfPage) {
                    pageView.setPdfPage(pdfPage);
                  }
                  _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);
                  if (--getPagesLeft === 0) {
                    pagesCapability.resolve();
                  }
                }, function (reason) {
                  console.error('Unable to get page ' + _pageNum + ' to initialize viewer', reason);
                  if (--getPagesLeft === 0) {
                    pagesCapability.resolve();
                  }
                });
              };

              for (let _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
                _loop(_pageNum);
              }
            });
            _this2.eventBus.dispatch('pagesinit', { source: _this2, });
            if (_this2.findController) {
              _this2.findController.setDocument(pdfDocument);
            }
            if (_this2.defaultRenderingQueue) {
              _this2.update();
            }
          }).catch(function (reason) {
            console.error('Unable to initialize viewer', reason);
          });
        },
      }, {
        key: 'setPageLabels',
        value: function setPageLabels(labels) {
          if (!this.pdfDocument) {
            return;
          }
          if (!labels) {
            this._pageLabels = null;
          } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
            this._pageLabels = null;
            console.error(this._name + '.setPageLabels: Invalid page labels.');
          } else {
            this._pageLabels = labels;
          }
          for (let i = 0, ii = this._pages.length; i < ii; i++) {
            let pageView = this._pages[i];
            let label = this._pageLabels && this._pageLabels[i];
            pageView.setPageLabel(label);
          }
        },
      }, {
        key: '_resetView',
        value: function _resetView() {
          this._pages = [];
          this._currentPageNumber = 1;
          this._currentScale = _ui_utils.UNKNOWN_SCALE;
          this._currentScaleValue = null;
          this._pageLabels = null;
          this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
          this._location = null;
          this._pagesRotation = 0;
          this._pagesRequests = [];
          this._pageViewsReady = false;
          this._scrollMode = ScrollMode.VERTICAL;
          this._spreadMode = SpreadMode.NONE;
          this.viewer.textContent = '';
          this._updateScrollMode();
        },
      }, {
        key: '_scrollUpdate',
        value: function _scrollUpdate() {
          if (this.pagesCount === 0) {
            return;
          }
          this.update();
        },
      }, {
        key: '_scrollIntoView',
        value: function _scrollIntoView(_ref) {
          let pageDiv = _ref.pageDiv;
          let _ref$pageSpot = _ref.pageSpot;
          let pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;
          let _ref$pageNumber = _ref.pageNumber;
          let pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;

          throw new Error('Not implemented: _scrollIntoView');
        },
      }, {
        key: '_setScaleDispatchEvent',
        value: function _setScaleDispatchEvent(newScale, newValue) {
          let preset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

          let arg = {
            source: this,
            scale: newScale,
            presetValue: preset ? newValue : undefined,
          };
          this.eventBus.dispatch('scalechanging', arg);
          this.eventBus.dispatch('scalechange', arg);
        },
      }, {
        key: '_setScaleUpdatePages',
        value: function _setScaleUpdatePages(newScale, newValue) {
          let noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
          let preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

          this._currentScaleValue = newValue.toString();
          if (isSameScale(this._currentScale, newScale)) {
            if (preset) {
              this._setScaleDispatchEvent(newScale, newValue, true);
            }
            return;
          }
          for (let i = 0, ii = this._pages.length; i < ii; i++) {
            this._pages[i].update(newScale);
          }
          this._currentScale = newScale;
          if (!noScroll) {
            let page = this._currentPageNumber;
            let dest = void 0;
            if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
              page = this._location.pageNumber;
              dest = [null, { name: 'XYZ', }, this._location.left, this._location.top, null,];
            }
            this.scrollPageIntoView({
              pageNumber: page,
              destArray: dest,
              allowNegativeOffset: true,
            });
          }
          this._setScaleDispatchEvent(newScale, newValue, preset);
          if (this.defaultRenderingQueue) {
            this.update();
          }
        },
      }, {
        key: '_setScale',
        value: function _setScale(value) {
          let noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          let scale = parseFloat(value);
          if (scale > 0) {
            this._setScaleUpdatePages(scale, value, noScroll, false);
          } else {
            let currentPage = this._pages[this._currentPageNumber - 1];
            if (!currentPage) {
              return;
            }
            let noPadding = this.isInPresentationMode || this.removePageBorders;
            let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
            let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
            if (!noPadding && this._isScrollModeHorizontal) {
              let _ref2 = [vPadding, hPadding,];
              hPadding = _ref2[0];
              vPadding = _ref2[1];
            }
            let pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
            let pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
            switch (value) {
            case 'page-actual':
              scale = 1;
              break;
            case 'page-width':
              scale = pageWidthScale;
              break;
            case 'page-height':
              scale = pageHeightScale;
              break;
            case 'page-fit':
              scale = Math.min(pageWidthScale, pageHeightScale);
              break;
            case 'auto':
              var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
              scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
              break;
            default:
              console.error(this._name + '._setScale: "' + value + '" is an unknown zoom value.');
              return;
            }
            this._setScaleUpdatePages(scale, value, noScroll, true);
          }
        },
      }, {
        key: '_resetCurrentPageView',
        value: function _resetCurrentPageView() {
          if (this.isInPresentationMode) {
            this._setScale(this._currentScaleValue, true);
          }
          let pageView = this._pages[this._currentPageNumber - 1];
          this._scrollIntoView({ pageDiv: pageView.div, });
        },
      }, {
        key: 'scrollPageIntoView',
        value: function scrollPageIntoView(params) {
          if (!this.pdfDocument) {
            return;
          }
          let pageNumber = params.pageNumber || 0;
          let dest = params.destArray || null;
          let allowNegativeOffset = params.allowNegativeOffset || false;
          if (this.isInPresentationMode || !dest) {
            this._setCurrentPageNumber(pageNumber, true);
            return;
          }
          let pageView = this._pages[pageNumber - 1];
          if (!pageView) {
            console.error(this._name + '.scrollPageIntoView: Invalid "pageNumber" parameter.');
            return;
          }
          let x = 0;
          let y = 0;
          let width = 0;
          let height = 0;
          let widthScale = void 0;
          let heightScale = void 0;
          let changeOrientation = pageView.rotation % 180 === 0 ? false : true;
          let pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
          let pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
          let scale = 0;
          switch (dest[1].name) {
          case 'XYZ':
            x = dest[2];
            y = dest[3];
            scale = dest[4];
            x = x !== null ? x : 0;
            y = y !== null ? y : pageHeight;
            break;
          case 'Fit':
          case 'FitB':
            scale = 'page-fit';
            break;
          case 'FitH':
          case 'FitBH':
            y = dest[2];
            scale = 'page-width';
            if (y === null && this._location) {
              x = this._location.left;
              y = this._location.top;
            }
            break;
          case 'FitV':
          case 'FitBV':
            x = dest[2];
            width = pageWidth;
            height = pageHeight;
            scale = 'page-height';
            break;
          case 'FitR':
            x = dest[2];
            y = dest[3];
            width = dest[4] - x;
            height = dest[5] - y;
            var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
            var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
            widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
            heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
            scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
            break;
          default:
            console.error(this._name + '.scrollPageIntoView: "' + dest[1].name + '" ' + 'is not a valid destination type.');
            return;
          }
          if (scale && scale !== this._currentScale) {
            this.currentScaleValue = scale;
          } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
            this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
          }
          if (scale === 'page-fit' && !dest[4]) {
            this._scrollIntoView({
              pageDiv: pageView.div,
              pageNumber: pageNumber,
            });
            return;
          }
          let boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height),];
          let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
          let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
          if (!allowNegativeOffset) {
            left = Math.max(left, 0);
            top = Math.max(top, 0);
          }
          this._scrollIntoView({
            pageDiv: pageView.div,
            pageSpot: {
              left: left,
              top: top,
            },
            pageNumber: pageNumber,
          });
        },
      }, {
        key: '_resizeBuffer',
        value: function _resizeBuffer(numVisiblePages, visiblePages) {
          let suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
          this._buffer.resize(suggestedCacheSize, visiblePages);
        },
      }, {
        key: '_updateLocation',
        value: function _updateLocation(firstPage) {
          let currentScale = this._currentScale;
          let currentScaleValue = this._currentScaleValue;
          let normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
          let pageNumber = firstPage.id;
          let pdfOpenParams = '#page=' + pageNumber;
          pdfOpenParams += '&zoom=' + normalizedScaleValue;
          let currentPageView = this._pages[pageNumber - 1];
          let container = this.container;
          let topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
          let intLeft = Math.round(topLeft[0]);
          let intTop = Math.round(topLeft[1]);
          pdfOpenParams += ',' + intLeft + ',' + intTop;
          this._location = {
            pageNumber: pageNumber,
            scale: normalizedScaleValue,
            top: intTop,
            left: intLeft,
            rotation: this._pagesRotation,
            pdfOpenParams: pdfOpenParams,
          };
        },
      }, {
        key: 'update',
        value: function update() {
          throw new Error('Not implemented: update');
        },
      }, {
        key: 'containsElement',
        value: function containsElement(element) {
          return this.container.contains(element);
        },
      }, {
        key: 'focus',
        value: function focus() {
          this.container.focus();
        },
      }, {
        key: '_getVisiblePages',
        value: function _getVisiblePages() {
          throw new Error('Not implemented: _getVisiblePages');
        },
      }, {
        key: 'cleanup',
        value: function cleanup() {
          for (let i = 0, ii = this._pages.length; i < ii; i++) {
            if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
              this._pages[i].reset();
            }
          }
        },
      }, {
        key: '_cancelRendering',
        value: function _cancelRendering() {
          for (let i = 0, ii = this._pages.length; i < ii; i++) {
            if (this._pages[i]) {
              this._pages[i].cancelRendering();
            }
          }
        },
      }, {
        key: '_ensurePdfPageLoaded',
        value: function _ensurePdfPageLoaded(pageView) {
          let _this3 = this;

          if (pageView.pdfPage) {
            return Promise.resolve(pageView.pdfPage);
          }
          let pageNumber = pageView.id;
          if (this._pagesRequests[pageNumber]) {
            return this._pagesRequests[pageNumber];
          }
          let promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
            if (!pageView.pdfPage) {
              pageView.setPdfPage(pdfPage);
            }
            _this3._pagesRequests[pageNumber] = null;
            return pdfPage;
          }).catch(function (reason) {
            console.error('Unable to get page for page view', reason);
            _this3._pagesRequests[pageNumber] = null;
          });
          this._pagesRequests[pageNumber] = promise;
          return promise;
        },
      }, {
        key: 'forceRendering',
        value: function forceRendering(currentlyVisiblePages) {
          let _this4 = this;

          let visiblePages = currentlyVisiblePages || this._getVisiblePages();
          let scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
          let pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
          if (pageView) {
            this._ensurePdfPageLoaded(pageView).then(function () {
              _this4.renderingQueue.renderView(pageView);
            });
            return true;
          }
          return false;
        },
      }, {
        key: 'createTextLayerBuilder',
        value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
          let enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

          return new _text_layer_builder.TextLayerBuilder({
            textLayerDiv: textLayerDiv,
            eventBus: this.eventBus,
            pageIndex: pageIndex,
            viewport: viewport,
            findController: this.isInPresentationMode ? null : this.findController,
            enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection,
          });
        },
      }, {
        key: 'createAnnotationLayerBuilder',
        value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
          let imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
          let renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
          let l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;

          return new _annotation_layer_builder.AnnotationLayerBuilder({
            pageDiv: pageDiv,
            pdfPage: pdfPage,
            imageResourcesPath: imageResourcesPath,
            renderInteractiveForms: renderInteractiveForms,
            linkService: this.linkService,
            downloadManager: this.downloadManager,
            l10n: l10n,
          });
        },
      }, {
        key: 'getPagesOverview',
        value: function getPagesOverview() {
          let pagesOverview = this._pages.map(function (pageView) {
            let viewport = pageView.pdfPage.getViewport(1);
            return {
              width: viewport.width,
              height: viewport.height,
              rotation: viewport.rotation,
            };
          });
          if (!this.enablePrintAutoRotate) {
            return pagesOverview;
          }
          let isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
          return pagesOverview.map(function (size) {
            if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
              return size;
            }
            return {
              width: size.height,
              height: size.width,
              rotation: (size.rotation + 90) % 360,
            };
          });
        },
      }, {
        key: '_updateScrollMode',
        value: function _updateScrollMode() {
          let pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

          let scrollMode = this._scrollMode;
          let viewer = this.viewer;
          viewer.classList.toggle('scrollHorizontal', scrollMode === ScrollMode.HORIZONTAL);
          viewer.classList.toggle('scrollWrapped', scrollMode === ScrollMode.WRAPPED);
          if (!this.pdfDocument || !pageNumber) {
            return;
          }
          if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
            this._setScale(this._currentScaleValue, true);
          }
          this.scrollPageIntoView({ pageNumber: pageNumber, });
          this.update();
        },
      }, {
        key: '_updateSpreadMode',
        value: function _updateSpreadMode() {
          let pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

          if (!this.pdfDocument) {
            return;
          }
          let viewer = this.viewer;
          let pages = this._pages;
          viewer.textContent = '';
          if (this._spreadMode === SpreadMode.NONE) {
            for (let i = 0, iMax = pages.length; i < iMax; ++i) {
              viewer.appendChild(pages[i].div);
            }
          } else {
            let parity = this._spreadMode - 1;
            let spread = null;
            for (let _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
              if (spread === null) {
                spread = document.createElement('div');
                spread.className = 'spread';
                viewer.appendChild(spread);
              } else if (_i % 2 === parity) {
                spread = spread.cloneNode(false);
                viewer.appendChild(spread);
              }
              spread.appendChild(pages[_i].div);
            }
          }
          if (!pageNumber) {
            return;
          }
          this.scrollPageIntoView({ pageNumber: pageNumber, });
          this.update();
        },
      }, {
        key: 'pagesCount',
        get: function get() {
          return this._pages.length;
        },
      }, {
        key: 'pageViewsReady',
        get: function get() {
          return this._pageViewsReady;
        },
      }, {
        key: 'currentPageNumber',
        get: function get() {
          return this._currentPageNumber;
        },
        set: function set(val) {
          if (!Number.isInteger(val)) {
            throw new Error('Invalid page number.');
          }
          if (!this.pdfDocument) {
            return;
          }
          this._setCurrentPageNumber(val, true);
        },
      }, {
        key: 'currentPageLabel',
        get: function get() {
          return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
        },
        set: function set(val) {
          let pageNumber = val | 0;
          if (this._pageLabels) {
            let i = this._pageLabels.indexOf(val);
            if (i >= 0) {
              pageNumber = i + 1;
            }
          }
          this.currentPageNumber = pageNumber;
        },
      }, {
        key: 'currentScale',
        get: function get() {
          return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
        },
        set: function set(val) {
          if (isNaN(val)) {
            throw new Error('Invalid numeric scale');
          }
          if (!this.pdfDocument) {
            return;
          }
          this._setScale(val, false);
        },
      }, {
        key: 'currentScaleValue',
        get: function get() {
          return this._currentScaleValue;
        },
        set: function set(val) {
          if (!this.pdfDocument) {
            return;
          }
          this._setScale(val, false);
        },
      }, {
        key: 'pagesRotation',
        get: function get() {
          return this._pagesRotation;
        },
        set: function set(rotation) {
          if (!(0, _ui_utils.isValidRotation)(rotation)) {
            throw new Error('Invalid pages rotation angle.');
          }
          if (!this.pdfDocument) {
            return;
          }
          if (this._pagesRotation === rotation) {
            return;
          }
          this._pagesRotation = rotation;
          let pageNumber = this._currentPageNumber;
          for (let i = 0, ii = this._pages.length; i < ii; i++) {
            let pageView = this._pages[i];
            pageView.update(pageView.scale, rotation);
          }
          if (this._currentScaleValue) {
            this._setScale(this._currentScaleValue, true);
          }
          this.eventBus.dispatch('rotationchanging', {
            source: this,
            pagesRotation: rotation,
            pageNumber: pageNumber,
          });
          if (this.defaultRenderingQueue) {
            this.update();
          }
        },
      }, {
        key: '_setDocumentViewerElement',
        get: function get() {
          throw new Error('Not implemented: _setDocumentViewerElement');
        },
      }, {
        key: '_isScrollModeHorizontal',
        get: function get() {
          throw new Error('Not implemented: _isScrollModeHorizontal');
        },
      }, {
        key: 'isInPresentationMode',
        get: function get() {
          return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
        },
      }, {
        key: 'isChangingPresentationMode',
        get: function get() {
          return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
        },
      }, {
        key: 'isHorizontalScrollbarEnabled',
        get: function get() {
          return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
        },
      }, {
        key: 'isVerticalScrollbarEnabled',
        get: function get() {
          return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
        },
      }, {
        key: 'hasEqualPageSizes',
        get: function get() {
          let firstPageView = this._pages[0];
          for (let i = 1, ii = this._pages.length; i < ii; ++i) {
            let pageView = this._pages[i];
            if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
              return false;
            }
          }
          return true;
        },
      }, {
        key: 'scrollMode',
        get: function get() {
          return this._scrollMode;
        },
        set: function set(mode) {
          if (this._scrollMode === mode) {
            return;
          }
          if (!Number.isInteger(mode) || !Object.values(ScrollMode).includes(mode)) {
            throw new Error('Invalid scroll mode: ' + mode);
          }
          this._scrollMode = mode;
          this.eventBus.dispatch('scrollmodechanged', {
            source: this,
            mode: mode,
          });
          this._updateScrollMode(this._currentPageNumber);
        },
      }, {
        key: 'spreadMode',
        get: function get() {
          return this._spreadMode;
        },
        set: function set(mode) {
          if (this._spreadMode === mode) {
            return;
          }
          if (!Number.isInteger(mode) || !Object.values(SpreadMode).includes(mode)) {
            throw new Error('Invalid spread mode: ' + mode);
          }
          this._spreadMode = mode;
          this.eventBus.dispatch('spreadmodechanged', {
            source: this,
            mode: mode,
          });
          this._updateSpreadMode(this._currentPageNumber);
        },
      },]);

      return BaseViewer;
    }();

    exports.BaseViewer = BaseViewer;
    exports.ScrollMode = ScrollMode;
    exports.SpreadMode = SpreadMode;

    /***/ }),
  /* 31 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    let _ui_utils = __webpack_require__(6);

    let _pdf_link_service = __webpack_require__(23);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let AnnotationLayerBuilder = function () {
      function AnnotationLayerBuilder(_ref) {
        let pageDiv = _ref.pageDiv;
        let pdfPage = _ref.pdfPage;
        let linkService = _ref.linkService;
        let downloadManager = _ref.downloadManager;
        let _ref$imageResourcesPa = _ref.imageResourcesPath;
        let imageResourcesPath = _ref$imageResourcesPa === undefined ? '' : _ref$imageResourcesPa;
        let _ref$renderInteractiv = _ref.renderInteractiveForms;
        let renderInteractiveForms = _ref$renderInteractiv === undefined ? false : _ref$renderInteractiv;
        let _ref$l10n = _ref.l10n;
        let l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;

        _classCallCheck(this, AnnotationLayerBuilder);

        this.pageDiv = pageDiv;
        this.pdfPage = pdfPage;
        this.linkService = linkService;
        this.downloadManager = downloadManager;
        this.imageResourcesPath = imageResourcesPath;
        this.renderInteractiveForms = renderInteractiveForms;
        this.l10n = l10n;
        this.div = null;
        this._cancelled = false;
      }

      _createClass(AnnotationLayerBuilder, [{
        key: 'render',
        value: function render(viewport) {
          let _this = this;

          let intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display';

          this.pdfPage.getAnnotations({ intent: intent, }).then(function (annotations) {
            if (_this._cancelled) {
              return;
            }
            let parameters = {
              viewport: viewport.clone({ dontFlip: true, }),
              div: _this.div,
              annotations: annotations,
              page: _this.pdfPage,
              imageResourcesPath: _this.imageResourcesPath,
              renderInteractiveForms: _this.renderInteractiveForms,
              linkService: _this.linkService,
              downloadManager: _this.downloadManager,
            };
            if (_this.div) {
              _pdfjsLib.AnnotationLayer.update(parameters);
            } else {
              if (annotations.length === 0) {
                return;
              }
              _this.div = document.createElement('div');
              _this.div.className = 'annotationLayer';
              _this.pageDiv.appendChild(_this.div);
              parameters.div = _this.div;
              _pdfjsLib.AnnotationLayer.render(parameters);
              _this.l10n.translate(_this.div);
            }
          });
        },
      }, {
        key: 'cancel',
        value: function cancel() {
          this._cancelled = true;
        },
      }, {
        key: 'hide',
        value: function hide() {
          if (!this.div) {
            return;
          }
          this.div.setAttribute('hidden', 'true');
        },
      },]);

      return AnnotationLayerBuilder;
    }();

    let DefaultAnnotationLayerFactory = function () {
      function DefaultAnnotationLayerFactory() {
        _classCallCheck(this, DefaultAnnotationLayerFactory);
      }

      _createClass(DefaultAnnotationLayerFactory, [{
        key: 'createAnnotationLayerBuilder',
        value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
          let imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
          let renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
          let l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;

          return new AnnotationLayerBuilder({
            pageDiv: pageDiv,
            pdfPage: pdfPage,
            imageResourcesPath: imageResourcesPath,
            renderInteractiveForms: renderInteractiveForms,
            linkService: new _pdf_link_service.SimpleLinkService(),
            l10n: l10n,
          });
        },
      },]);

      return DefaultAnnotationLayerFactory;
    }();

    exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
    exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;

    /***/ }),
  /* 32 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFPageView = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    let _dom_events = __webpack_require__(14);

    let _pdf_rendering_queue = __webpack_require__(10);

    let _viewer_compatibility = __webpack_require__(13);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;

    let PDFPageView = function () {
      function PDFPageView(options) {
        _classCallCheck(this, PDFPageView);

        let container = options.container;
        let defaultViewport = options.defaultViewport;
        this.id = options.id;
        this.renderingId = 'page' + this.id;
        this.pdfPage = null;
        this.pageLabel = null;
        this.rotation = 0;
        this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
        this.viewport = defaultViewport;
        this.pdfPageRotate = defaultViewport.rotation;
        this.hasRestrictedScaling = false;
        this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
        this.imageResourcesPath = options.imageResourcesPath || '';
        this.renderInteractiveForms = options.renderInteractiveForms || false;
        this.useOnlyCssZoom = options.useOnlyCssZoom || false;
        this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
        this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
        this.renderingQueue = options.renderingQueue;
        this.textLayerFactory = options.textLayerFactory;
        this.annotationLayerFactory = options.annotationLayerFactory;
        this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
        this.enableWebGL = options.enableWebGL || false;
        this.l10n = options.l10n || _ui_utils.NullL10n;
        this.paintTask = null;
        this.paintedViewportMap = new WeakMap();
        this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
        this.resume = null;
        this.error = null;
        this.onBeforeDraw = null;
        this.onAfterDraw = null;
        this.annotationLayer = null;
        this.textLayer = null;
        this.zoomLayer = null;
        let div = document.createElement('div');
        div.className = 'page';
        div.style.width = Math.floor(this.viewport.width) + 'px';
        div.style.height = Math.floor(this.viewport.height) + 'px';
        div.setAttribute('data-page-number', this.id);
        this.div = div;
        container.appendChild(div);
      }

      _createClass(PDFPageView, [{
        key: 'setPdfPage',
        value: function setPdfPage(pdfPage) {
          this.pdfPage = pdfPage;
          this.pdfPageRotate = pdfPage.rotate;
          let totalRotation = (this.rotation + this.pdfPageRotate) % 360;
          this.viewport = pdfPage.getViewport(this.scale * _ui_utils.CSS_UNITS, totalRotation);
          this.stats = pdfPage.stats;
          this.reset();
        },
      }, {
        key: 'destroy',
        value: function destroy() {
          this.reset();
          if (this.pdfPage) {
            this.pdfPage.cleanup();
          }
        },
      }, {
        key: '_resetZoomLayer',
        value: function _resetZoomLayer() {
          let removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          if (!this.zoomLayer) {
            return;
          }
          let zoomLayerCanvas = this.zoomLayer.firstChild;
          this.paintedViewportMap.delete(zoomLayerCanvas);
          zoomLayerCanvas.width = 0;
          zoomLayerCanvas.height = 0;
          if (removeFromDOM) {
            this.zoomLayer.remove();
          }
          this.zoomLayer = null;
        },
      }, {
        key: 'reset',
        value: function reset() {
          let keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
          let keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          this.cancelRendering(keepAnnotations);
          let div = this.div;
          div.style.width = Math.floor(this.viewport.width) + 'px';
          div.style.height = Math.floor(this.viewport.height) + 'px';
          let childNodes = div.childNodes;
          let currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
          let currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
          for (let i = childNodes.length - 1; i >= 0; i--) {
            let node = childNodes[i];
            if (currentZoomLayerNode === node || currentAnnotationNode === node) {
              continue;
            }
            div.removeChild(node);
          }
          div.removeAttribute('data-loaded');
          if (currentAnnotationNode) {
            this.annotationLayer.hide();
          } else if (this.annotationLayer) {
            this.annotationLayer.cancel();
            this.annotationLayer = null;
          }
          if (!currentZoomLayerNode) {
            if (this.canvas) {
              this.paintedViewportMap.delete(this.canvas);
              this.canvas.width = 0;
              this.canvas.height = 0;
              delete this.canvas;
            }
            this._resetZoomLayer();
          }
          if (this.svg) {
            this.paintedViewportMap.delete(this.svg);
            delete this.svg;
          }
          this.loadingIconDiv = document.createElement('div');
          this.loadingIconDiv.className = 'loadingIcon';
          div.appendChild(this.loadingIconDiv);
        },
      }, {
        key: 'update',
        value: function update(scale, rotation) {
          this.scale = scale || this.scale;
          if (typeof rotation !== 'undefined') {
            this.rotation = rotation;
          }
          let totalRotation = (this.rotation + this.pdfPageRotate) % 360;
          this.viewport = this.viewport.clone({
            scale: this.scale * _ui_utils.CSS_UNITS,
            rotation: totalRotation,
          });
          if (this.svg) {
            this.cssTransform(this.svg, true);
            this.eventBus.dispatch('pagerendered', {
              source: this,
              pageNumber: this.id,
              cssTransform: true,
            });
            return;
          }
          let isScalingRestricted = false;
          if (this.canvas && this.maxCanvasPixels > 0) {
            let outputScale = this.outputScale;
            if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
              isScalingRestricted = true;
            }
          }
          if (this.canvas) {
            if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
              this.cssTransform(this.canvas, true);
              this.eventBus.dispatch('pagerendered', {
                source: this,
                pageNumber: this.id,
                cssTransform: true,
              });
              return;
            }
            if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
              this.zoomLayer = this.canvas.parentNode;
              this.zoomLayer.style.position = 'absolute';
            }
          }
          if (this.zoomLayer) {
            this.cssTransform(this.zoomLayer.firstChild);
          }
          this.reset(true, true);
        },
      }, {
        key: 'cancelRendering',
        value: function cancelRendering() {
          let keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          let renderingState = this.renderingState;
          if (this.paintTask) {
            this.paintTask.cancel();
            this.paintTask = null;
          }
          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
          this.resume = null;
          if (this.textLayer) {
            this.textLayer.cancel();
            this.textLayer = null;
          }
          if (!keepAnnotations && this.annotationLayer) {
            this.annotationLayer.cancel();
            this.annotationLayer = null;
          }
          if (renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
            this.eventBus.dispatch('pagecancelled', {
              source: this,
              pageNumber: this.id,
              renderingState: renderingState,
            });
          }
        },
      }, {
        key: 'cssTransform',
        value: function cssTransform(target) {
          let redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

          let width = this.viewport.width;
          let height = this.viewport.height;
          let div = this.div;
          target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
          target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
          let relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
          let absRotation = Math.abs(relativeRotation);
          let scaleX = 1;
          let scaleY = 1;
          if (absRotation === 90 || absRotation === 270) {
            scaleX = height / width;
            scaleY = width / height;
          }
          let cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
          target.style.transform = cssTransform;
          if (this.textLayer) {
            let textLayerViewport = this.textLayer.viewport;
            let textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
            let textAbsRotation = Math.abs(textRelativeRotation);
            let scale = width / textLayerViewport.width;
            if (textAbsRotation === 90 || textAbsRotation === 270) {
              scale = width / textLayerViewport.height;
            }
            let textLayerDiv = this.textLayer.textLayerDiv;
            let transX = void 0;
            let transY = void 0;
            switch (textAbsRotation) {
            case 0:
              transX = transY = 0;
              break;
            case 90:
              transX = 0;
              transY = '-' + textLayerDiv.style.height;
              break;
            case 180:
              transX = '-' + textLayerDiv.style.width;
              transY = '-' + textLayerDiv.style.height;
              break;
            case 270:
              transX = '-' + textLayerDiv.style.width;
              transY = 0;
              break;
            default:
              console.error('Bad rotation value.');
              break;
            }
            textLayerDiv.style.transform = 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')';
            textLayerDiv.style.transformOrigin = '0% 0%';
          }
          if (redrawAnnotations && this.annotationLayer) {
            this.annotationLayer.render(this.viewport, 'display');
          }
        },
      }, {
        key: 'getPagePoint',
        value: function getPagePoint(x, y) {
          return this.viewport.convertToPdfPoint(x, y);
        },
      }, {
        key: 'draw',
        value: function draw() {
          let _this = this;

          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
            console.error('Must be in new state before drawing');
            this.reset();
          }
          if (!this.pdfPage) {
            this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
            return Promise.reject(new Error('Page is not loaded'));
          }
          this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
          let pdfPage = this.pdfPage;
          let div = this.div;
          let canvasWrapper = document.createElement('div');
          canvasWrapper.style.width = div.style.width;
          canvasWrapper.style.height = div.style.height;
          canvasWrapper.classList.add('canvasWrapper');
          if (this.annotationLayer && this.annotationLayer.div) {
            div.insertBefore(canvasWrapper, this.annotationLayer.div);
          } else {
            div.appendChild(canvasWrapper);
          }
          let textLayer = null;
          if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
            let textLayerDiv = document.createElement('div');
            textLayerDiv.className = 'textLayer';
            textLayerDiv.style.width = canvasWrapper.style.width;
            textLayerDiv.style.height = canvasWrapper.style.height;
            if (this.annotationLayer && this.annotationLayer.div) {
              div.insertBefore(textLayerDiv, this.annotationLayer.div);
            } else {
              div.appendChild(textLayerDiv);
            }
            textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE);
          }
          this.textLayer = textLayer;
          let renderContinueCallback = null;
          if (this.renderingQueue) {
            renderContinueCallback = function renderContinueCallback(cont) {
              if (!_this.renderingQueue.isHighestPriority(_this)) {
                _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
                _this.resume = function () {
                  _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                  cont();
                };
                return;
              }
              cont();
            };
          }
          let finishPaintTask = function finishPaintTask(error) {
            if (paintTask === _this.paintTask) {
              _this.paintTask = null;
            }
            if (error instanceof _pdfjsLib.RenderingCancelledException) {
              _this.error = null;
              return Promise.resolve(undefined);
            }
            _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
            if (_this.loadingIconDiv) {
              div.removeChild(_this.loadingIconDiv);
              delete _this.loadingIconDiv;
            }
            _this._resetZoomLayer(true);
            _this.error = error;
            _this.stats = pdfPage.stats;
            if (_this.onAfterDraw) {
              _this.onAfterDraw();
            }
            _this.eventBus.dispatch('pagerendered', {
              source: _this,
              pageNumber: _this.id,
              cssTransform: false,
            });
            if (error) {
              return Promise.reject(error);
            }
            return Promise.resolve(undefined);
          };
          var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
          paintTask.onRenderContinue = renderContinueCallback;
          this.paintTask = paintTask;
          let resultPromise = paintTask.promise.then(function () {
            return finishPaintTask(null).then(function () {
              if (textLayer) {
                let readableStream = pdfPage.streamTextContent({ normalizeWhitespace: true, });
                textLayer.setTextContentStream(readableStream);
                textLayer.render();
              }
            });
          }, function (reason) {
            return finishPaintTask(reason);
          });
          if (this.annotationLayerFactory) {
            if (!this.annotationLayer) {
              this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
            }
            this.annotationLayer.render(this.viewport, 'display');
          }
          div.setAttribute('data-loaded', true);
          if (this.onBeforeDraw) {
            this.onBeforeDraw();
          }
          return resultPromise;
        },
      }, {
        key: 'paintOnCanvas',
        value: function paintOnCanvas(canvasWrapper) {
          let renderCapability = (0, _pdfjsLib.createPromiseCapability)();
          let result = {
            promise: renderCapability.promise,
            onRenderContinue: function onRenderContinue(cont) {
              cont();
            },
            cancel: function cancel() {
              renderTask.cancel();
            },
          };
          let viewport = this.viewport;
          let canvas = document.createElement('canvas');
          canvas.id = this.renderingId;
          canvas.setAttribute('hidden', 'hidden');
          let isCanvasHidden = true;
          let showCanvas = function showCanvas() {
            if (isCanvasHidden) {
              canvas.removeAttribute('hidden');
              isCanvasHidden = false;
            }
          };
          canvasWrapper.appendChild(canvas);
          this.canvas = canvas;
          canvas.mozOpaque = true;
          let ctx = canvas.getContext('2d', { alpha: false, });
          let outputScale = (0, _ui_utils.getOutputScale)(ctx);
          this.outputScale = outputScale;
          if (this.useOnlyCssZoom) {
            let actualSizeViewport = viewport.clone({ scale: _ui_utils.CSS_UNITS, });
            outputScale.sx *= actualSizeViewport.width / viewport.width;
            outputScale.sy *= actualSizeViewport.height / viewport.height;
            outputScale.scaled = true;
          }
          if (this.maxCanvasPixels > 0) {
            let pixelsInViewport = viewport.width * viewport.height;
            let maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
            if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
              outputScale.sx = maxScale;
              outputScale.sy = maxScale;
              outputScale.scaled = true;
              this.hasRestrictedScaling = true;
            } else {
              this.hasRestrictedScaling = false;
            }
          }
          let sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
          let sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
          canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
          canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
          canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px';
          canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px';
          this.paintedViewportMap.set(canvas, viewport);
          let transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0,];
          let renderContext = {
            canvasContext: ctx,
            transform: transform,
            viewport: this.viewport,
            enableWebGL: this.enableWebGL,
            renderInteractiveForms: this.renderInteractiveForms,
          };
          var renderTask = this.pdfPage.render(renderContext);
          renderTask.onContinue = function (cont) {
            showCanvas();
            if (result.onRenderContinue) {
              result.onRenderContinue(cont);
            } else {
              cont();
            }
          };
          renderTask.promise.then(function () {
            showCanvas();
            renderCapability.resolve(undefined);
          }, function (error) {
            showCanvas();
            renderCapability.reject(error);
          });
          return result;
        },
      }, {
        key: 'paintOnSvg',
        value: function paintOnSvg(wrapper) {
          let _this2 = this;

          let cancelled = false;
          let ensureNotCancelled = function ensureNotCancelled() {
            if (cancelled) {
              throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page ' + _this2.id, 'svg');
            }
          };
          let pdfPage = this.pdfPage;
          let actualSizeViewport = this.viewport.clone({ scale: _ui_utils.CSS_UNITS, });
          let promise = pdfPage.getOperatorList().then(function (opList) {
            ensureNotCancelled();
            let svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
            return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
              ensureNotCancelled();
              _this2.svg = svg;
              _this2.paintedViewportMap.set(svg, actualSizeViewport);
              svg.style.width = wrapper.style.width;
              svg.style.height = wrapper.style.height;
              _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
              wrapper.appendChild(svg);
            });
          });
          return {
            promise: promise,
            onRenderContinue: function onRenderContinue(cont) {
              cont();
            },
            cancel: function cancel() {
              cancelled = true;
            },
          };
        },
      }, {
        key: 'setPageLabel',
        value: function setPageLabel(label) {
          this.pageLabel = typeof label === 'string' ? label : null;
          if (this.pageLabel !== null) {
            this.div.setAttribute('data-page-label', this.pageLabel);
          } else {
            this.div.removeAttribute('data-page-label');
          }
        },
      }, {
        key: 'width',
        get: function get() {
          return this.viewport.width;
        },
      }, {
        key: 'height',
        get: function get() {
          return this.viewport.height;
        },
      },]);

      return PDFPageView;
    }();

    exports.PDFPageView = PDFPageView;

    /***/ }),
  /* 33 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.DefaultTextLayerFactory = exports.TextLayerBuilder = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _dom_events = __webpack_require__(14);

    let _pdfjsLib = __webpack_require__(7);

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let EXPAND_DIVS_TIMEOUT = 300;
    let MATCH_SCROLL_OFFSET_TOP = -50;
    let MATCH_SCROLL_OFFSET_LEFT = -400;

    let TextLayerBuilder = function () {
      function TextLayerBuilder(_ref) {
        let textLayerDiv = _ref.textLayerDiv;
        let eventBus = _ref.eventBus;
        let pageIndex = _ref.pageIndex;
        let viewport = _ref.viewport;
        let _ref$findController = _ref.findController;
        let findController = _ref$findController === undefined ? null : _ref$findController;
        let _ref$enhanceTextSelec = _ref.enhanceTextSelection;
        let enhanceTextSelection = _ref$enhanceTextSelec === undefined ? false : _ref$enhanceTextSelec;

        _classCallCheck(this, TextLayerBuilder);

        this.textLayerDiv = textLayerDiv;
        this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
        this.textContent = null;
        this.textContentItemsStr = [];
        this.textContentStream = null;
        this.renderingDone = false;
        this.pageIdx = pageIndex;
        this.pageNumber = this.pageIdx + 1;
        this.matches = [];
        this.viewport = viewport;
        this.textDivs = [];
        this.findController = findController;
        this.textLayerRenderTask = null;
        this.enhanceTextSelection = enhanceTextSelection;
        this._boundEvents = Object.create(null);
        this._bindEvents();
        this._bindMouse();
      }

      _createClass(TextLayerBuilder, [{
        key: '_finishRendering',
        value: function _finishRendering() {
          this.renderingDone = true;
          if (!this.enhanceTextSelection) {
            let endOfContent = document.createElement('div');
            endOfContent.className = 'endOfContent';
            this.textLayerDiv.appendChild(endOfContent);
          }
          this.eventBus.dispatch('textlayerrendered', {
            source: this,
            pageNumber: this.pageNumber,
            numTextDivs: this.textDivs.length,
          });
        },
      }, {
        key: 'render',
        value: function render() {
          let _this = this;

          let timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

          if (!(this.textContent || this.textContentStream) || this.renderingDone) {
            return;
          }
          this.cancel();
          this.textDivs = [];
          let textLayerFrag = document.createDocumentFragment();
          this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
            textContent: this.textContent,
            textContentStream: this.textContentStream,
            container: textLayerFrag,
            viewport: this.viewport,
            textDivs: this.textDivs,
            textContentItemsStr: this.textContentItemsStr,
            timeout: timeout,
            enhanceTextSelection: this.enhanceTextSelection,
          });
          this.textLayerRenderTask.promise.then(function () {
            _this.textLayerDiv.appendChild(textLayerFrag);
            _this._finishRendering();
            _this.updateMatches();
          }, function (reason) {});
        },
      }, {
        key: 'cancel',
        value: function cancel() {
          if (this.textLayerRenderTask) {
            this.textLayerRenderTask.cancel();
            this.textLayerRenderTask = null;
          }
        },
      }, {
        key: 'setTextContentStream',
        value: function setTextContentStream(readableStream) {
          this.cancel();
          this.textContentStream = readableStream;
        },
      }, {
        key: 'setTextContent',
        value: function setTextContent(textContent) {
          this.cancel();
          this.textContent = textContent;
        },
      }, {
        key: 'convertMatches',
        value: function convertMatches(matches, matchesLength) {
          let i = 0;
          let iIndex = 0;
          let textContentItemsStr = this.textContentItemsStr;
          let end = textContentItemsStr.length - 1;
          let queryLen = this.findController === null ? 0 : this.findController.state.query.length;
          let ret = [];
          if (!matches) {
            return ret;
          }
          for (let m = 0, len = matches.length; m < len; m++) {
            let matchIdx = matches[m];
            while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
              iIndex += textContentItemsStr[i].length;
              i++;
            }
            if (i === textContentItemsStr.length) {
              console.error('Could not find a matching mapping');
            }
            let match = {
              begin: {
                divIdx: i,
                offset: matchIdx - iIndex,
              },
            };
            if (matchesLength) {
              matchIdx += matchesLength[m];
            } else {
              matchIdx += queryLen;
            }
            while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
              iIndex += textContentItemsStr[i].length;
              i++;
            }
            match.end = {
              divIdx: i,
              offset: matchIdx - iIndex,
            };
            ret.push(match);
          }
          return ret;
        },
      }, {
        key: 'renderMatches',
        value: function renderMatches(matches) {
          if (matches.length === 0) {
            return;
          }
          let textContentItemsStr = this.textContentItemsStr;
          let textDivs = this.textDivs;
          let prevEnd = null;
          let pageIdx = this.pageIdx;
          let isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
          let selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
          let highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
          let infinity = {
            divIdx: -1,
            offset: undefined,
          };
          function beginText(begin, className) {
            let divIdx = begin.divIdx;
            textDivs[divIdx].textContent = '';
            appendTextToDiv(divIdx, 0, begin.offset, className);
          }
          function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
            let div = textDivs[divIdx];
            let content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
            let node = document.createTextNode(content);
            if (className) {
              let span = document.createElement('span');
              span.className = className;
              span.appendChild(node);
              div.appendChild(span);
              return;
            }
            div.appendChild(node);
          }
          let i0 = selectedMatchIdx;
          let i1 = i0 + 1;
          if (highlightAll) {
            i0 = 0;
            i1 = matches.length;
          } else if (!isSelectedPage) {
            return;
          }
          for (let i = i0; i < i1; i++) {
            let match = matches[i];
            let begin = match.begin;
            let end = match.end;
            let isSelected = isSelectedPage && i === selectedMatchIdx;
            let highlightSuffix = isSelected ? ' selected' : '';
            if (this.findController) {
              if (this.findController.selected.matchIdx === i && this.findController.selected.pageIdx === pageIdx) {
                let spot = {
                  top: MATCH_SCROLL_OFFSET_TOP,
                  left: MATCH_SCROLL_OFFSET_LEFT,
                };
                (0, _ui_utils.scrollIntoView)(textDivs[begin.divIdx], spot, true);
              }
            }
            if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
              if (prevEnd !== null) {
                appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
              }
              beginText(begin);
            } else {
              appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
            }
            if (begin.divIdx === end.divIdx) {
              appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
            } else {
              appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
              for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
                textDivs[n0].className = 'highlight middle' + highlightSuffix;
              }
              beginText(end, 'highlight end' + highlightSuffix);
            }
            prevEnd = end;
          }
          if (prevEnd) {
            appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
          }
        },
      }, {
        key: 'updateMatches',
        value: function updateMatches() {
          if (!this.renderingDone) {
            return;
          }
          let matches = this.matches;
          let textDivs = this.textDivs;
          let textContentItemsStr = this.textContentItemsStr;
          let clearedUntilDivIdx = -1;
          for (let i = 0, len = matches.length; i < len; i++) {
            let match = matches[i];
            let begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
            for (let n = begin, end = match.end.divIdx; n <= end; n++) {
              let div = textDivs[n];
              div.textContent = textContentItemsStr[n];
              div.className = '';
            }
            clearedUntilDivIdx = match.end.divIdx + 1;
          }
          if (!this.findController || !this.findController.highlightMatches) {
            return;
          }
          let pageMatches = void 0;
          let pageMatchesLength = void 0;
          if (this.findController !== null) {
            pageMatches = this.findController.pageMatches[this.pageIdx] || null;
            pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
          }
          this.matches = this.convertMatches(pageMatches, pageMatchesLength);
          this.renderMatches(this.matches);
        },
      }, {
        key: '_bindEvents',
        value: function _bindEvents() {
          let _this2 = this;

          let eventBus = this.eventBus;
          let _boundEvents = this._boundEvents;

          _boundEvents.pageCancelled = function (evt) {
            if (evt.pageNumber !== _this2.pageNumber) {
              return;
            }
            if (_this2.textLayerRenderTask) {
              console.error('TextLayerBuilder._bindEvents: `this.cancel()` should ' + 'have been called when the page was reset, or rendering cancelled.');
              return;
            }
            for (let name in _boundEvents) {
              eventBus.off(name.toLowerCase(), _boundEvents[name]);
              delete _boundEvents[name];
            }
          };
          _boundEvents.updateTextLayerMatches = function (evt) {
            if (evt.pageIndex !== _this2.pageIdx && evt.pageIndex !== -1) {
              return;
            }
            _this2.updateMatches();
          };
          eventBus.on('pagecancelled', _boundEvents.pageCancelled);
          eventBus.on('updatetextlayermatches', _boundEvents.updateTextLayerMatches);
        },
      }, {
        key: '_bindMouse',
        value: function _bindMouse() {
          let _this3 = this;

          let div = this.textLayerDiv;
          let expandDivsTimer = null;
          div.addEventListener('mousedown', function (evt) {
            if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
              _this3.textLayerRenderTask.expandTextDivs(true);
              if (expandDivsTimer) {
                clearTimeout(expandDivsTimer);
                expandDivsTimer = null;
              }
              return;
            }
            let end = div.querySelector('.endOfContent');
            if (!end) {
              return;
            }
            let adjustTop = evt.target !== div;
            adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
            if (adjustTop) {
              let divBounds = div.getBoundingClientRect();
              let r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
              end.style.top = (r * 100).toFixed(2) + '%';
            }
            end.classList.add('active');
          });
          div.addEventListener('mouseup', function () {
            if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
              expandDivsTimer = setTimeout(function () {
                if (_this3.textLayerRenderTask) {
                  _this3.textLayerRenderTask.expandTextDivs(false);
                }
                expandDivsTimer = null;
              }, EXPAND_DIVS_TIMEOUT);
              return;
            }
            let end = div.querySelector('.endOfContent');
            if (!end) {
              return;
            }
            end.style.top = '';
            end.classList.remove('active');
          });
        },
      },]);

      return TextLayerBuilder;
    }();

    let DefaultTextLayerFactory = function () {
      function DefaultTextLayerFactory() {
        _classCallCheck(this, DefaultTextLayerFactory);
      }

      _createClass(DefaultTextLayerFactory, [{
        key: 'createTextLayerBuilder',
        value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
          let enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;

          return new TextLayerBuilder({
            textLayerDiv: textLayerDiv,
            pageIndex: pageIndex,
            viewport: viewport,
            enhanceTextSelection: enhanceTextSelection,
          });
        },
      },]);

      return DefaultTextLayerFactory;
    }();

    exports.TextLayerBuilder = TextLayerBuilder;
    exports.DefaultTextLayerFactory = DefaultTextLayerFactory;

    /***/ }),
  /* 34 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.SecondaryToolbar = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _base_viewer = __webpack_require__(30);

    let _pdf_cursor_tools = __webpack_require__(8);

    let _pdf_single_page_viewer = __webpack_require__(35);

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let SecondaryToolbar = function () {
      function SecondaryToolbar(options, mainContainer, eventBus) {
        let _this = this;

        _classCallCheck(this, SecondaryToolbar);

        this.toolbar = options.toolbar;
        this.toggleButton = options.toggleButton;
        this.toolbarButtonContainer = options.toolbarButtonContainer;
        this.buttons = [{
          element: options.presentationModeButton,
          eventName: 'presentationmode',
          close: true,
        }, {
          element: options.openFileButton,
          eventName: 'openfile',
          close: true,
        }, {
          element: options.printButton,
          eventName: 'print',
          close: true,
        }, {
          element: options.downloadButton,
          eventName: 'download',
          close: true,
        }, {
          element: options.viewBookmarkButton,
          eventName: null,
          close: true,
        }, {
          element: options.firstPageButton,
          eventName: 'firstpage',
          close: true,
        }, {
          element: options.lastPageButton,
          eventName: 'lastpage',
          close: true,
        }, {
          element: options.pageRotateCwButton,
          eventName: 'rotatecw',
          close: false,
        }, {
          element: options.pageRotateCcwButton,
          eventName: 'rotateccw',
          close: false,
        }, {
          element: options.cursorSelectToolButton,
          eventName: 'switchcursortool',
          eventDetails: { tool: _pdf_cursor_tools.CursorTool.SELECT, },
          close: true,
        }, {
          element: options.cursorHandToolButton,
          eventName: 'switchcursortool',
          eventDetails: { tool: _pdf_cursor_tools.CursorTool.HAND, },
          close: true,
        }, {
          element: options.scrollVerticalButton,
          eventName: 'switchscrollmode',
          eventDetails: { mode: _base_viewer.ScrollMode.VERTICAL, },
          close: true,
        }, {
          element: options.scrollHorizontalButton,
          eventName: 'switchscrollmode',
          eventDetails: { mode: _base_viewer.ScrollMode.HORIZONTAL, },
          close: true,
        }, {
          element: options.scrollWrappedButton,
          eventName: 'switchscrollmode',
          eventDetails: { mode: _base_viewer.ScrollMode.WRAPPED, },
          close: true,
        }, {
          element: options.spreadNoneButton,
          eventName: 'switchspreadmode',
          eventDetails: { mode: _base_viewer.SpreadMode.NONE, },
          close: true,
        }, {
          element: options.spreadOddButton,
          eventName: 'switchspreadmode',
          eventDetails: { mode: _base_viewer.SpreadMode.ODD, },
          close: true,
        }, {
          element: options.spreadEvenButton,
          eventName: 'switchspreadmode',
          eventDetails: { mode: _base_viewer.SpreadMode.EVEN, },
          close: true,
        }, {
          element: options.documentPropertiesButton,
          eventName: 'documentproperties',
          close: true,
        },];
        this.items = {
          firstPage: options.firstPageButton,
          lastPage: options.lastPageButton,
          pageRotateCw: options.pageRotateCwButton,
          pageRotateCcw: options.pageRotateCcwButton,
        };
        this.mainContainer = mainContainer;
        this.eventBus = eventBus;
        this.opened = false;
        this.containerHeight = null;
        this.previousContainerHeight = null;
        this.reset();
        this._bindClickListeners();
        this._bindCursorToolsListener(options);
        this._bindScrollModeListener(options);
        this._bindSpreadModeListener(options);
        this.eventBus.on('resize', this._setMaxHeight.bind(this));
        this.eventBus.on('baseviewerinit', function (evt) {
          if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
            _this.toolbarButtonContainer.classList.add('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
          } else {
            _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
          }
        });
      }

      _createClass(SecondaryToolbar, [{
        key: 'setPageNumber',
        value: function setPageNumber(pageNumber) {
          this.pageNumber = pageNumber;
          this._updateUIState();
        },
      }, {
        key: 'setPagesCount',
        value: function setPagesCount(pagesCount) {
          this.pagesCount = pagesCount;
          this._updateUIState();
        },
      }, {
        key: 'reset',
        value: function reset() {
          this.pageNumber = 0;
          this.pagesCount = 0;
          this._updateUIState();
          this.eventBus.dispatch('secondarytoolbarreset', { source: this, });
        },
      }, {
        key: '_updateUIState',
        value: function _updateUIState() {
          this.items.firstPage.disabled = this.pageNumber <= 1;
          this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
          this.items.pageRotateCw.disabled = this.pagesCount === 0;
          this.items.pageRotateCcw.disabled = this.pagesCount === 0;
        },
      }, {
        key: '_bindClickListeners',
        value: function _bindClickListeners() {
          let _this2 = this;

          this.toggleButton.addEventListener('click', this.toggle.bind(this));

          let _loop = function _loop(button) {
            let _buttons$button = _this2.buttons[button];
            let element = _buttons$button.element;
            let eventName = _buttons$button.eventName;
            let close = _buttons$button.close;
            let eventDetails = _buttons$button.eventDetails;

            element.addEventListener('click', function (evt) {
              if (eventName !== null) {
                let details = { source: _this2, };
                for (let property in eventDetails) {
                  details[property] = eventDetails[property];
                }
                _this2.eventBus.dispatch(eventName, details);
              }
              if (close) {
                _this2.close();
              }
            });
          };

          for (let button in this.buttons) {
            _loop(button);
          }
        },
      }, {
        key: '_bindCursorToolsListener',
        value: function _bindCursorToolsListener(buttons) {
          this.eventBus.on('cursortoolchanged', function (evt) {
            buttons.cursorSelectToolButton.classList.remove('toggled');
            buttons.cursorHandToolButton.classList.remove('toggled');
            switch (evt.tool) {
            case _pdf_cursor_tools.CursorTool.SELECT:
              buttons.cursorSelectToolButton.classList.add('toggled');
              break;
            case _pdf_cursor_tools.CursorTool.HAND:
              buttons.cursorHandToolButton.classList.add('toggled');
              break;
            }
          });
        },
      }, {
        key: '_bindScrollModeListener',
        value: function _bindScrollModeListener(buttons) {
          let _this3 = this;

          function scrollModeChanged(evt) {
            buttons.scrollVerticalButton.classList.remove('toggled');
            buttons.scrollHorizontalButton.classList.remove('toggled');
            buttons.scrollWrappedButton.classList.remove('toggled');
            switch (evt.mode) {
            case _base_viewer.ScrollMode.VERTICAL:
              buttons.scrollVerticalButton.classList.add('toggled');
              break;
            case _base_viewer.ScrollMode.HORIZONTAL:
              buttons.scrollHorizontalButton.classList.add('toggled');
              break;
            case _base_viewer.ScrollMode.WRAPPED:
              buttons.scrollWrappedButton.classList.add('toggled');
              break;
            }
            let isScrollModeHorizontal = evt.mode === _base_viewer.ScrollMode.HORIZONTAL;
            buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
            buttons.spreadOddButton.disabled = isScrollModeHorizontal;
            buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
          }
          this.eventBus.on('scrollmodechanged', scrollModeChanged);
          this.eventBus.on('secondarytoolbarreset', function (evt) {
            if (evt.source === _this3) {
              scrollModeChanged({ mode: _base_viewer.ScrollMode.VERTICAL, });
            }
          });
        },
      }, {
        key: '_bindSpreadModeListener',
        value: function _bindSpreadModeListener(buttons) {
          let _this4 = this;

          function spreadModeChanged(evt) {
            buttons.spreadNoneButton.classList.remove('toggled');
            buttons.spreadOddButton.classList.remove('toggled');
            buttons.spreadEvenButton.classList.remove('toggled');
            switch (evt.mode) {
            case _base_viewer.SpreadMode.NONE:
              buttons.spreadNoneButton.classList.add('toggled');
              break;
            case _base_viewer.SpreadMode.ODD:
              buttons.spreadOddButton.classList.add('toggled');
              break;
            case _base_viewer.SpreadMode.EVEN:
              buttons.spreadEvenButton.classList.add('toggled');
              break;
            }
          }
          this.eventBus.on('spreadmodechanged', spreadModeChanged);
          this.eventBus.on('secondarytoolbarreset', function (evt) {
            if (evt.source === _this4) {
              spreadModeChanged({ mode: _base_viewer.SpreadMode.NONE, });
            }
          });
        },
      }, {
        key: 'open',
        value: function open() {
          if (this.opened) {
            return;
          }
          this.opened = true;
          this._setMaxHeight();
          this.toggleButton.classList.add('toggled');
          this.toolbar.classList.remove('hidden');
        },
      }, {
        key: 'close',
        value: function close() {
          if (!this.opened) {
            return;
          }
          this.opened = false;
          this.toolbar.classList.add('hidden');
          this.toggleButton.classList.remove('toggled');
        },
      }, {
        key: 'toggle',
        value: function toggle() {
          if (this.opened) {
            this.close();
          } else {
            this.open();
          }
        },
      }, {
        key: '_setMaxHeight',
        value: function _setMaxHeight() {
          if (!this.opened) {
            return;
          }
          this.containerHeight = this.mainContainer.clientHeight;
          if (this.containerHeight === this.previousContainerHeight) {
            return;
          }
          this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - _ui_utils.SCROLLBAR_PADDING) + 'px;');
          this.previousContainerHeight = this.containerHeight;
        },
      }, {
        key: 'isOpen',
        get: function get() {
          return this.opened;
        },
      },]);

      return SecondaryToolbar;
    }();

    exports.SecondaryToolbar = SecondaryToolbar;

    /***/ }),
  /* 35 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFSinglePageViewer = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; let desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { let parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { let getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };

    let _base_viewer = __webpack_require__(30);

    let _ui_utils = __webpack_require__(6);

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true, }, }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

    let PDFSinglePageViewer = function (_BaseViewer) {
      _inherits(PDFSinglePageViewer, _BaseViewer);

      function PDFSinglePageViewer(options) {
        _classCallCheck(this, PDFSinglePageViewer);

        let _this = _possibleConstructorReturn(this, (PDFSinglePageViewer.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer)).call(this, options));

        _this.eventBus.on('pagesinit', function (evt) {
          _this._ensurePageViewVisible();
        });
        return _this;
      }

      _createClass(PDFSinglePageViewer, [{
        key: '_resetView',
        value: function _resetView() {
          _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_resetView', this).call(this);
          this._previousPageNumber = 1;
          this._shadowViewer = document.createDocumentFragment();
        },
      }, {
        key: '_ensurePageViewVisible',
        value: function _ensurePageViewVisible() {
          let pageView = this._pages[this._currentPageNumber - 1];
          let previousPageView = this._pages[this._previousPageNumber - 1];
          let viewerNodes = this.viewer.childNodes;
          switch (viewerNodes.length) {
          case 0:
            this.viewer.appendChild(pageView.div);
            break;
          case 1:
            if (viewerNodes[0] !== previousPageView.div) {
              throw new Error('_ensurePageViewVisible: Unexpected previously visible page.');
            }
            if (pageView === previousPageView) {
              break;
            }
            this._shadowViewer.appendChild(previousPageView.div);
            this.viewer.appendChild(pageView.div);
            this.container.scrollTop = 0;
            break;
          default:
            throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.');
          }
          this._previousPageNumber = this._currentPageNumber;
        },
      }, {
        key: '_scrollUpdate',
        value: function _scrollUpdate() {
          if (this._updateScrollDown) {
            this._updateScrollDown();
          }
          _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollUpdate', this).call(this);
        },
      }, {
        key: '_scrollIntoView',
        value: function _scrollIntoView(_ref) {
          let _this2 = this;

          let pageDiv = _ref.pageDiv;
          let _ref$pageSpot = _ref.pageSpot;
          let pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;
          let _ref$pageNumber = _ref.pageNumber;
          let pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;

          if (pageNumber) {
            this._setCurrentPageNumber(pageNumber);
          }
          let scrolledDown = this._currentPageNumber >= this._previousPageNumber;
          let previousLocation = this._location;
          this._ensurePageViewVisible();
          (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
          this._updateScrollDown = function () {
            _this2.scroll.down = scrolledDown;
            delete _this2._updateScrollDown;
          };
          setTimeout(function () {
            if (_this2._location === previousLocation) {
              if (_this2._updateScrollDown) {
                _this2._updateScrollDown();
              }
              _this2.update();
            }
          }, 0);
        },
      }, {
        key: '_getVisiblePages',
        value: function _getVisiblePages() {
          if (!this.pagesCount) {
            return { views: [], };
          }
          let pageView = this._pages[this._currentPageNumber - 1];
          let element = pageView.div;
          let view = {
            id: pageView.id,
            x: element.offsetLeft + element.clientLeft,
            y: element.offsetTop + element.clientTop,
            view: pageView,
          };
          return {
            first: view,
            last: view,
            views: [view,],
          };
        },
      }, {
        key: 'update',
        value: function update() {
          let visible = this._getVisiblePages();
          let visiblePages = visible.views;
          let numVisiblePages = visiblePages.length;
          if (numVisiblePages === 0) {
            return;
          }
          this._resizeBuffer(numVisiblePages);
          this.renderingQueue.renderHighestPriority(visible);
          this._updateLocation(visible.first);
          this.eventBus.dispatch('updateviewarea', {
            source: this,
            location: this._location,
          });
        },
      }, {
        key: '_updateScrollMode',
        value: function _updateScrollMode() {},
      }, {
        key: '_updateSpreadMode',
        value: function _updateSpreadMode() {},
      }, {
        key: '_setDocumentViewerElement',
        get: function get() {
          return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer);
        },
      }, {
        key: '_isScrollModeHorizontal',
        get: function get() {
          return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false);
        },
      },]);

      return PDFSinglePageViewer;
    }(_base_viewer.BaseViewer);

    exports.PDFSinglePageViewer = PDFSinglePageViewer;

    /***/ }),
  /* 36 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.Toolbar = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
    let SCALE_SELECT_CONTAINER_PADDING = 8;
    let SCALE_SELECT_PADDING = 22;

    let Toolbar = function () {
      function Toolbar(options, eventBus) {
        let l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

        _classCallCheck(this, Toolbar);

        this.toolbar = options.container;
        this.eventBus = eventBus;
        this.l10n = l10n;
        this.items = options;
        this._wasLocalized = false;
        this.reset();
        this._bindListeners();
      }

      _createClass(Toolbar, [{
        key: 'setPageNumber',
        value: function setPageNumber(pageNumber, pageLabel) {
          this.pageNumber = pageNumber;
          this.pageLabel = pageLabel;
          this._updateUIState(false);
        },
      }, {
        key: 'setPagesCount',
        value: function setPagesCount(pagesCount, hasPageLabels) {
          this.pagesCount = pagesCount;
          this.hasPageLabels = hasPageLabels;
          this._updateUIState(true);
        },
      }, {
        key: 'setPageScale',
        value: function setPageScale(pageScaleValue, pageScale) {
          this.pageScaleValue = (pageScaleValue || pageScale).toString();
          this.pageScale = pageScale;
          this._updateUIState(false);
        },
      }, {
        key: 'reset',
        value: function reset() {
          this.pageNumber = 0;
          this.pageLabel = null;
          this.hasPageLabels = false;
          this.pagesCount = 0;
          this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
          this.pageScale = _ui_utils.DEFAULT_SCALE;
          this._updateUIState(true);
        },
      }, {
        key: '_bindListeners',
        value: function _bindListeners() {
          let _this = this;

          let eventBus = this.eventBus;
          let items = this.items;

          let self = this;
          items.previous.addEventListener('click', function () {
            eventBus.dispatch('previouspage', { source: self, });
          });
          items.next.addEventListener('click', function () {
            eventBus.dispatch('nextpage', { source: self, });
          });
          items.zoomIn.addEventListener('click', function () {
            eventBus.dispatch('zoomin', { source: self, });
          });
          items.zoomOut.addEventListener('click', function () {
            eventBus.dispatch('zoomout', { source: self, });
          });
          items.pageNumber.addEventListener('click', function () {
            this.select();
          });
          items.pageNumber.addEventListener('change', function () {
            eventBus.dispatch('pagenumberchanged', {
              source: self,
              value: this.value,
            });
          });
          items.scaleSelect.addEventListener('change', function () {
            if (this.value === 'custom') {
              return;
            }
            eventBus.dispatch('scalechanged', {
              source: self,
              value: this.value,
            });
          });
          items.presentationModeButton.addEventListener('click', function () {
            eventBus.dispatch('presentationmode', { source: self, });
          });
          items.openFile.addEventListener('click', function () {
            eventBus.dispatch('openfile', { source: self, });
          });
          items.print.addEventListener('click', function () {
            eventBus.dispatch('print', { source: self, });
          });
          items.download.addEventListener('click', function () {
            eventBus.dispatch('download', { source: self, });
          });
          items.scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
          eventBus.on('localized', function () {
            _this._localized();
          });
        },
      }, {
        key: '_localized',
        value: function _localized() {
          this._wasLocalized = true;
          this._adjustScaleWidth();
          this._updateUIState(true);
        },
      }, {
        key: '_updateUIState',
        value: function _updateUIState() {
          let resetNumPages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          if (!this._wasLocalized) {
            return;
          }
          let pageNumber = this.pageNumber;
          let pagesCount = this.pagesCount;
          let pageScaleValue = this.pageScaleValue;
          let pageScale = this.pageScale;
          let items = this.items;

          if (resetNumPages) {
            if (this.hasPageLabels) {
              items.pageNumber.type = 'text';
            } else {
              items.pageNumber.type = 'number';
              this.l10n.get('of_pages', { pagesCount: pagesCount, }, 'of {{pagesCount}}').then(function (msg) {
                items.numPages.textContent = msg;
              });
            }
            items.pageNumber.max = pagesCount;
          }
          if (this.hasPageLabels) {
            items.pageNumber.value = this.pageLabel;
            this.l10n.get('page_of_pages', {
              pageNumber: pageNumber,
              pagesCount: pagesCount,
            }, '({{pageNumber}} of {{pagesCount}})').then(function (msg) {
              items.numPages.textContent = msg;
            });
          } else {
            items.pageNumber.value = pageNumber;
          }
          items.previous.disabled = pageNumber <= 1;
          items.next.disabled = pageNumber >= pagesCount;
          items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
          items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
          let customScale = Math.round(pageScale * 10000) / 100;
          this.l10n.get('page_scale_percent', { scale: customScale, }, '{{scale}}%').then(function (msg) {
            let options = items.scaleSelect.options;
            let predefinedValueFound = false;
            for (let i = 0, ii = options.length; i < ii; i++) {
              let option = options[i];
              if (option.value !== pageScaleValue) {
                option.selected = false;
                continue;
              }
              option.selected = true;
              predefinedValueFound = true;
            }
            if (!predefinedValueFound) {
              items.customScaleOption.textContent = msg;
              items.customScaleOption.selected = true;
            }
          });
        },
      }, {
        key: 'updateLoadingIndicatorState',
        value: function updateLoadingIndicatorState() {
          let loading = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

          let pageNumberInput = this.items.pageNumber;
          pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
        },
      }, {
        key: '_adjustScaleWidth',
        value: function _adjustScaleWidth() {
          let container = this.items.scaleSelectContainer;
          let select = this.items.scaleSelect;
          _ui_utils.animationStarted.then(function () {
            if (container.clientWidth === 0) {
              container.setAttribute('style', 'display: inherit;');
            }
            if (container.clientWidth > 0) {
              select.setAttribute('style', 'min-width: inherit;');
              let width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
              select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
              container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
            }
          });
        },
      },]);

      return Toolbar;
    }();

    exports.Toolbar = Toolbar;

    /***/ }),
  /* 37 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.ViewHistory = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;

    let ViewHistory = function () {
      function ViewHistory(fingerprint) {
        let _this = this;

        let cacheSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_VIEW_HISTORY_CACHE_SIZE;

        _classCallCheck(this, ViewHistory);

        this.fingerprint = fingerprint;
        this.cacheSize = cacheSize;
        this._initializedPromise = this._readFromStorage().then(function (databaseStr) {
          let database = JSON.parse(databaseStr || '{}');
          if (!('files' in database)) {
            database.files = [];
          } else {
            while (database.files.length >= _this.cacheSize) {
              database.files.shift();
            }
          }
          let index = -1;
          for (let i = 0, length = database.files.length; i < length; i++) {
            let branch = database.files[i];
            if (branch.fingerprint === _this.fingerprint) {
              index = i;
              break;
            }
          }
          if (index === -1) {
            index = database.files.push({ fingerprint: _this.fingerprint, }) - 1;
          }
          _this.file = database.files[index];
          _this.database = database;
        });
      }

      _createClass(ViewHistory, [{
        key: '_writeToStorage',
        value: function () {
          let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee() {
            let databaseStr;
            return _regenerator2.default.wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                case 0:
                  databaseStr = JSON.stringify(this.database);

                  localStorage.setItem('pdfjs.history', databaseStr);

                case 2:
                case 'end':
                  return _context.stop();
                }
              }
            }, _callee, this);
          }));

          function _writeToStorage() {
            return _ref.apply(this, arguments);
          }

          return _writeToStorage;
        }(),
      }, {
        key: '_readFromStorage',
        value: function () {
          let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2() {
            return _regenerator2.default.wrap(function _callee2$(_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                case 0:
                  return _context2.abrupt('return', localStorage.getItem('pdfjs.history'));

                case 1:
                case 'end':
                  return _context2.stop();
                }
              }
            }, _callee2, this);
          }));

          function _readFromStorage() {
            return _ref2.apply(this, arguments);
          }

          return _readFromStorage;
        }(),
      }, {
        key: 'set',
        value: function () {
          let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3(name, val) {
            return _regenerator2.default.wrap(function _callee3$(_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._initializedPromise;

                case 2:
                  this.file[name] = val;
                  return _context3.abrupt('return', this._writeToStorage());

                case 4:
                case 'end':
                  return _context3.stop();
                }
              }
            }, _callee3, this);
          }));

          function set(_x2, _x3) {
            return _ref3.apply(this, arguments);
          }

          return set;
        }(),
      }, {
        key: 'setMultiple',
        value: function () {
          let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4(properties) {
            let name;
            return _regenerator2.default.wrap(function _callee4$(_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._initializedPromise;

                case 2:
                  for (name in properties) {
                    this.file[name] = properties[name];
                  }
                  return _context4.abrupt('return', this._writeToStorage());

                case 4:
                case 'end':
                  return _context4.stop();
                }
              }
            }, _callee4, this);
          }));

          function setMultiple(_x4) {
            return _ref4.apply(this, arguments);
          }

          return setMultiple;
        }(),
      }, {
        key: 'get',
        value: function () {
          let _ref5 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee5(name, defaultValue) {
            let val;
            return _regenerator2.default.wrap(function _callee5$(_context5) {
              while (1) {
                switch (_context5.prev = _context5.next) {
                case 0:
                  _context5.next = 2;
                  return this._initializedPromise;

                case 2:
                  val = this.file[name];
                  return _context5.abrupt('return', val !== undefined ? val : defaultValue);

                case 4:
                case 'end':
                  return _context5.stop();
                }
              }
            }, _callee5, this);
          }));

          function get(_x5, _x6) {
            return _ref5.apply(this, arguments);
          }

          return get;
        }(),
      }, {
        key: 'getMultiple',
        value: function () {
          let _ref6 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee6(properties) {
            let values, name, val;
            return _regenerator2.default.wrap(function _callee6$(_context6) {
              while (1) {
                switch (_context6.prev = _context6.next) {
                case 0:
                  _context6.next = 2;
                  return this._initializedPromise;

                case 2:
                  values = Object.create(null);

                  for (name in properties) {
                    val = this.file[name];

                    values[name] = val !== undefined ? val : properties[name];
                  }
                  return _context6.abrupt('return', values);

                case 5:
                case 'end':
                  return _context6.stop();
                }
              }
            }, _callee6, this);
          }));

          function getMultiple(_x7) {
            return _ref6.apply(this, arguments);
          }

          return getMultiple;
        }(),
      },]);

      return ViewHistory;
    }();

    exports.ViewHistory = ViewHistory;

    /***/ }),
  /* 38 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.GenericCom = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _app = __webpack_require__(1);

    let _preferences = __webpack_require__(39);

    let _download_manager = __webpack_require__(40);

    let _genericl10n = __webpack_require__(41);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true, }, }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

    let GenericCom = {};

    let GenericPreferences = function (_BasePreferences) {
      _inherits(GenericPreferences, _BasePreferences);

      function GenericPreferences() {
        _classCallCheck(this, GenericPreferences);

        return _possibleConstructorReturn(this, (GenericPreferences.__proto__ || Object.getPrototypeOf(GenericPreferences)).apply(this, arguments));
      }

      _createClass(GenericPreferences, [{
        key: '_writeToStorage',
        value: function () {
          let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee(prefObj) {
            return _regenerator2.default.wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                case 0:
                  localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));

                case 1:
                case 'end':
                  return _context.stop();
                }
              }
            }, _callee, this);
          }));

          function _writeToStorage(_x) {
            return _ref.apply(this, arguments);
          }

          return _writeToStorage;
        }(),
      }, {
        key: '_readFromStorage',
        value: function () {
          let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2(prefObj) {
            return _regenerator2.default.wrap(function _callee2$(_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                case 0:
                  return _context2.abrupt('return', JSON.parse(localStorage.getItem('pdfjs.preferences')));

                case 1:
                case 'end':
                  return _context2.stop();
                }
              }
            }, _callee2, this);
          }));

          function _readFromStorage(_x2) {
            return _ref2.apply(this, arguments);
          }

          return _readFromStorage;
        }(),
      },]);

      return GenericPreferences;
    }(_preferences.BasePreferences);

    let GenericExternalServices = Object.create(_app.DefaultExternalServices);
    GenericExternalServices.createDownloadManager = function (options) {
      return new _download_manager.DownloadManager(options);
    };
    GenericExternalServices.createPreferences = function () {
      return new GenericPreferences();
    };
    GenericExternalServices.createL10n = function (_ref3) {
      let _ref3$locale = _ref3.locale;
      let locale = _ref3$locale === undefined ? 'en-US' : _ref3$locale;

      return new _genericl10n.GenericL10n(locale);
    };
    _app.PDFViewerApplication.externalServices = GenericExternalServices;
    exports.GenericCom = GenericCom;

    /***/ }),
  /* 39 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.BasePreferences = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let defaultPreferences = null;
    function getDefaultPreferences() {
      if (!defaultPreferences) {
        defaultPreferences = Promise.resolve({
          "showPreviousViewOnLoad": true,
          "defaultZoomValue": "",
          "sidebarViewOnLoad": 0,
          "cursorToolOnLoad": 0,
          "enableWebGL": false,
          "eventBusDispatchToDOM": false,
          "pdfBugEnabled": false,
          "disableRange": false,
          "disableStream": false,
          "disableAutoFetch": false,
          "disableFontFace": false,
          "textLayerMode": 1,
          "useOnlyCssZoom": false,
          "externalLinkTarget": 0,
          "renderer": "canvas",
          "renderInteractiveForms": false,
          "enablePrintAutoRotate": false,
          "disablePageMode": false,
          "disablePageLabels": false,
          "scrollModeOnLoad": 0,
          "spreadModeOnLoad": 0,
        });
      }
      return defaultPreferences;
    }

    let BasePreferences = function () {
      function BasePreferences() {
        let _this = this;

        _classCallCheck(this, BasePreferences);

        if (this.constructor === BasePreferences) {
          throw new Error('Cannot initialize BasePreferences.');
        }
        this.prefs = null;
        this._initializedPromise = getDefaultPreferences().then(function (defaults) {
          Object.defineProperty(_this, 'defaults', {
            value: Object.freeze(defaults),
            writable: false,
            enumerable: true,
            configurable: false,
          });
          _this.prefs = Object.assign(Object.create(null), defaults);
          return _this._readFromStorage(defaults);
        }).then(function (prefs) {
          if (!prefs) {
            return;
          }
          for (let name in prefs) {
            let defaultValue = _this.defaults[name];
            let prefValue = prefs[name];
            if (defaultValue === undefined || (typeof prefValue === "undefined" ? "undefined" : _typeof(prefValue)) !== (typeof defaultValue === "undefined" ? "undefined" : _typeof(defaultValue))) {
              continue;
            }
            _this.prefs[name] = prefValue;
          }
        });
      }

      _createClass(BasePreferences, [{
        key: "_writeToStorage",
        value: function () {
          let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee(prefObj) {
            return _regenerator2.default.wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                case 0:
                  throw new Error('Not implemented: _writeToStorage');

                case 1:
                case "end":
                  return _context.stop();
                }
              }
            }, _callee, this);
          }));

          function _writeToStorage(_x) {
            return _ref.apply(this, arguments);
          }

          return _writeToStorage;
        }(),
      }, {
        key: "_readFromStorage",
        value: function () {
          let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2(prefObj) {
            return _regenerator2.default.wrap(function _callee2$(_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                case 0:
                  throw new Error('Not implemented: _readFromStorage');

                case 1:
                case "end":
                  return _context2.stop();
                }
              }
            }, _callee2, this);
          }));

          function _readFromStorage(_x2) {
            return _ref2.apply(this, arguments);
          }

          return _readFromStorage;
        }(),
      }, {
        key: "reset",
        value: function () {
          let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3() {
            return _regenerator2.default.wrap(function _callee3$(_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._initializedPromise;

                case 2:
                  this.prefs = Object.assign(Object.create(null), this.defaults);
                  return _context3.abrupt("return", this._writeToStorage(this.defaults));

                case 4:
                case "end":
                  return _context3.stop();
                }
              }
            }, _callee3, this);
          }));

          function reset() {
            return _ref3.apply(this, arguments);
          }

          return reset;
        }(),
      }, {
        key: "set",
        value: function () {
          let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4(name, value) {
            let defaultValue, valueType, defaultType;
            return _regenerator2.default.wrap(function _callee4$(_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._initializedPromise;

                case 2:
                  defaultValue = this.defaults[name];

                  if (!(defaultValue === undefined)) {
                    _context4.next = 7;
                    break;
                  }

                  throw new Error("Set preference: \"" + name + "\" is undefined.");

                case 7:
                  if (!(value === undefined)) {
                    _context4.next = 9;
                    break;
                  }

                  throw new Error('Set preference: no value is specified.');

                case 9:
                  valueType = typeof value === "undefined" ? "undefined" : _typeof(value);
                  defaultType = typeof defaultValue === "undefined" ? "undefined" : _typeof(defaultValue);

                  if (!(valueType !== defaultType)) {
                    _context4.next = 19;
                    break;
                  }

                  if (!(valueType === 'number' && defaultType === 'string')) {
                    _context4.next = 16;
                    break;
                  }

                  value = value.toString();
                  _context4.next = 17;
                  break;

                case 16:
                  throw new Error("Set preference: \"" + value + "\" is a " + valueType + ", " + ("expected a " + defaultType + "."));

                case 17:
                  _context4.next = 21;
                  break;

                case 19:
                  if (!(valueType === 'number' && !Number.isInteger(value))) {
                    _context4.next = 21;
                    break;
                  }

                  throw new Error("Set preference: \"" + value + "\" must be an integer.");

                case 21:
                  this.prefs[name] = value;
                  return _context4.abrupt("return", this._writeToStorage(this.prefs));

                case 23:
                case "end":
                  return _context4.stop();
                }
              }
            }, _callee4, this);
          }));

          function set(_x3, _x4) {
            return _ref4.apply(this, arguments);
          }

          return set;
        }(),
      }, {
        key: "get",
        value: function () {
          let _ref5 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee5(name) {
            let defaultValue, prefValue;
            return _regenerator2.default.wrap(function _callee5$(_context5) {
              while (1) {
                switch (_context5.prev = _context5.next) {
                case 0:
                  _context5.next = 2;
                  return this._initializedPromise;

                case 2:
                  defaultValue = this.defaults[name];

                  if (!(defaultValue === undefined)) {
                    _context5.next = 7;
                    break;
                  }

                  throw new Error("Get preference: \"" + name + "\" is undefined.");

                case 7:
                  prefValue = this.prefs[name];

                  if (!(prefValue !== undefined)) {
                    _context5.next = 10;
                    break;
                  }

                  return _context5.abrupt("return", prefValue);

                case 10:
                  return _context5.abrupt("return", defaultValue);

                case 11:
                case "end":
                  return _context5.stop();
                }
              }
            }, _callee5, this);
          }));

          function get(_x5) {
            return _ref5.apply(this, arguments);
          }

          return get;
        }(),
      }, {
        key: "getAll",
        value: function () {
          let _ref6 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee6() {
            return _regenerator2.default.wrap(function _callee6$(_context6) {
              while (1) {
                switch (_context6.prev = _context6.next) {
                case 0:
                  _context6.next = 2;
                  return this._initializedPromise;

                case 2:
                  return _context6.abrupt("return", Object.assign(Object.create(null), this.defaults, this.prefs));

                case 3:
                case "end":
                  return _context6.stop();
                }
              }
            }, _callee6, this);
          }));

          function getAll() {
            return _ref6.apply(this, arguments);
          }

          return getAll;
        }(),
      },]);

      return BasePreferences;
    }();

    exports.BasePreferences = BasePreferences;

    /***/ }),
  /* 40 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.DownloadManager = undefined;

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    let _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let DISABLE_CREATE_OBJECT_URL = _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false;
    function _download(blobUrl, filename) {
      let a = document.createElement('a');
      if (!a.click) {
        throw new Error('DownloadManager: "a.click()" is not supported.');
      }
      a.href = blobUrl;
      a.target = '_parent';
      if ('download' in a) {
        a.download = filename;
      }
      (document.body || document.documentElement).appendChild(a);
      a.click();
      a.remove();
    }

    let DownloadManager = function () {
      function DownloadManager(_ref) {
        let _ref$disableCreateObj = _ref.disableCreateObjectURL;
        let disableCreateObjectURL = _ref$disableCreateObj === undefined ? DISABLE_CREATE_OBJECT_URL : _ref$disableCreateObj;

        _classCallCheck(this, DownloadManager);

        this.disableCreateObjectURL = disableCreateObjectURL;
      }

      _createClass(DownloadManager, [{
        key: 'downloadUrl',
        value: function downloadUrl(url, filename) {
          if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
            return;
          }
          _download(url + '#pdfjs.action=download', filename);
        },
      }, {
        key: 'downloadData',
        value: function downloadData(data, filename, contentType) {
          if (navigator.msSaveBlob) {
            return navigator.msSaveBlob(new Blob([data,], { type: contentType, }), filename);
          }
          let blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);
          _download(blobUrl, filename);
        },
      }, {
        key: 'download',
        value: function download(blob, url, filename) {
          if (navigator.msSaveBlob) {
            if (!navigator.msSaveBlob(blob, filename)) {
              this.downloadUrl(url, filename);
            }
            return;
          }
          if (this.disableCreateObjectURL) {
            this.downloadUrl(url, filename);
            return;
          }
          let blobUrl = _pdfjsLib.URL.createObjectURL(blob);
          _download(blobUrl, filename);
        },
      },]);

      return DownloadManager;
    }();

    exports.DownloadManager = DownloadManager;

    /***/ }),
  /* 41 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.GenericL10n = undefined;

    let _regenerator = __webpack_require__(2);

    let _regenerator2 = _interopRequireDefault(_regenerator);

    let _createClass = function () { function defineProperties(target, props) { for (let i = 0; i < props.length; i++) { let descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

    __webpack_require__(42);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj, }; }

    function _asyncToGenerator(fn) { return function () { let gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    let webL10n = document.webL10n;

    let GenericL10n = function () {
      function GenericL10n(lang) {
        _classCallCheck(this, GenericL10n);

        this._lang = lang;
        this._ready = new Promise(function (resolve, reject) {
          webL10n.setLanguage(lang, function () {
            resolve(webL10n);
          });
        });
      }

      _createClass(GenericL10n, [{
        key: 'getLanguage',
        value: function () {
          let _ref = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee() {
            let l10n;
            return _regenerator2.default.wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return this._ready;

                case 2:
                  l10n = _context.sent;
                  return _context.abrupt('return', l10n.getLanguage());

                case 4:
                case 'end':
                  return _context.stop();
                }
              }
            }, _callee, this);
          }));

          function getLanguage() {
            return _ref.apply(this, arguments);
          }

          return getLanguage;
        }(),
      }, {
        key: 'getDirection',
        value: function () {
          let _ref2 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee2() {
            let l10n;
            return _regenerator2.default.wrap(function _callee2$(_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                case 0:
                  _context2.next = 2;
                  return this._ready;

                case 2:
                  l10n = _context2.sent;
                  return _context2.abrupt('return', l10n.getDirection());

                case 4:
                case 'end':
                  return _context2.stop();
                }
              }
            }, _callee2, this);
          }));

          function getDirection() {
            return _ref2.apply(this, arguments);
          }

          return getDirection;
        }(),
      }, {
        key: 'get',
        value: function () {
          let _ref3 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee3(property, args, fallback) {
            let l10n;
            return _regenerator2.default.wrap(function _callee3$(_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._ready;

                case 2:
                  l10n = _context3.sent;
                  return _context3.abrupt('return', l10n.get(property, args, fallback));

                case 4:
                case 'end':
                  return _context3.stop();
                }
              }
            }, _callee3, this);
          }));

          function get(_x, _x2, _x3) {
            return _ref3.apply(this, arguments);
          }

          return get;
        }(),
      }, {
        key: 'translate',
        value: function () {
          let _ref4 = _asyncToGenerator( /* #__PURE__*/_regenerator2.default.mark(function _callee4(element) {
            let l10n;
            return _regenerator2.default.wrap(function _callee4$(_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._ready;

                case 2:
                  l10n = _context4.sent;
                  return _context4.abrupt('return', l10n.translate(element));

                case 4:
                case 'end':
                  return _context4.stop();
                }
              }
            }, _callee4, this);
          }));

          function translate(_x4) {
            return _ref4.apply(this, arguments);
          }

          return translate;
        }(),
      },]);

      return GenericL10n;
    }();

    exports.GenericL10n = GenericL10n;

    /***/ }),
  /* 42 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    document.webL10n = function (window, document, undefined) {
      let gL10nData = {};
      let gTextData = '';
      let gTextProp = 'textContent';
      let gLanguage = '';
      let gMacros = {};
      let gReadyState = 'loading';
      let gAsyncResourceLoading = true;
      function getL10nResourceLinks() {
        return document.querySelectorAll('link[type="application/l10n"]');
      }
      function getL10nDictionary() {
        let script = document.querySelector('script[type="application/l10n"]');
        return script ? JSON.parse(script.innerHTML) : null;
      }
      function getTranslatableChildren(element) {
        return element ? element.querySelectorAll('*[data-l10n-id]') : [];
      }
      function getL10nAttributes(element) {
        if (!element) return {};
        let l10nId = element.getAttribute('data-l10n-id');
        let l10nArgs = element.getAttribute('data-l10n-args');
        let args = {};
        if (l10nArgs) {
          try {
            args = JSON.parse(l10nArgs);
          } catch (e) {
            console.warn('could not parse arguments for #' + l10nId);
          }
        }
        return {
          id: l10nId,
          args: args,
        };
      }
      function fireL10nReadyEvent(lang) {
        let evtObject = document.createEvent('Event');
        evtObject.initEvent('localized', true, false);
        evtObject.language = lang;
        document.dispatchEvent(evtObject);
      }
      function xhrLoadText(url, onSuccess, onFailure) {
        onSuccess = onSuccess || function _onSuccess(data) {};
        onFailure = onFailure || function _onFailure() {};
        let xhr = new XMLHttpRequest();
        xhr.open('GET', url, gAsyncResourceLoading);
        if (xhr.overrideMimeType) {
          xhr.overrideMimeType('text/plain; charset=utf-8');
        }
        xhr.onreadystatechange = function () {
          if (xhr.readyState == 4) {
            if (xhr.status == 200 || xhr.status === 0) {
              onSuccess(xhr.responseText);
            } else {
              onFailure();
            }
          }
        };
        xhr.onerror = onFailure;
        xhr.ontimeout = onFailure;
        try {
          xhr.send(null);
        } catch (e) {
          onFailure();
        }
      }
      function parseResource(href, lang, successCallback, failureCallback) {
        let baseURL = href.replace(/[^\/]*$/, '') || './';
        function evalString(text) {
          if (text.lastIndexOf('\\') < 0) return text;
          return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
        }
        function parseProperties(text, parsedPropertiesCallback) {
          let dictionary = {};
          let reBlank = /^\s*|\s*$/;
          let reComment = /^\s*#|^\s*$/;
          let reSection = /^\s*\[(.*)\]\s*$/;
          let reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
          let reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
          function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
            let entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
            let currentLang = '*';
            let genericLang = lang.split('-', 1)[0];
            let skipLang = false;
            let match = '';
            function nextEntry() {
              while (true) {
                if (!entries.length) {
                  parsedRawLinesCallback();
                  return;
                }
                let line = entries.shift();
                if (reComment.test(line)) continue;
                if (extendedSyntax) {
                  match = reSection.exec(line);
                  if (match) {
                    currentLang = match[1].toLowerCase();
                    skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
                    continue;
                  } else if (skipLang) {
                    continue;
                  }
                  match = reImport.exec(line);
                  if (match) {
                    loadImport(baseURL + match[1], nextEntry);
                    return;
                  }
                }
                let tmp = line.match(reSplit);
                if (tmp && tmp.length == 3) {
                  dictionary[tmp[1]] = evalString(tmp[2]);
                }
              }
            }
            nextEntry();
          }
          function loadImport(url, callback) {
            xhrLoadText(url, function (content) {
              parseRawLines(content, false, callback);
            }, function () {
              console.warn(url + ' not found.');
              callback();
            });
          }
          parseRawLines(text, true, function () {
            parsedPropertiesCallback(dictionary);
          });
        }
        xhrLoadText(href, function (response) {
          gTextData += response;
          parseProperties(response, function (data) {
            for (let key in data) {
              var id;
              var prop;
              let index = key.lastIndexOf('.');
              if (index > 0) {
                id = key.substring(0, index);
                prop = key.substring(index + 1);
              } else {
                id = key;
                prop = gTextProp;
              }
              if (!gL10nData[id]) {
                gL10nData[id] = {};
              }
              gL10nData[id][prop] = data[key];
            }
            if (successCallback) {
              successCallback();
            }
          });
        }, failureCallback);
      }
      function loadLocale(lang, callback) {
        if (lang) {
          lang = lang.toLowerCase();
        }
        callback = callback || function _callback() {};
        clear();
        gLanguage = lang;
        let langLinks = getL10nResourceLinks();
        let langCount = langLinks.length;
        if (langCount === 0) {
          let dict = getL10nDictionary();
          if (dict && dict.locales && dict.default_locale) {
            console.log('using the embedded JSON directory, early way out');
            gL10nData = dict.locales[lang];
            if (!gL10nData) {
              let defaultLocale = dict.default_locale.toLowerCase();
              for (let anyCaseLang in dict.locales) {
                anyCaseLang = anyCaseLang.toLowerCase();
                if (anyCaseLang === lang) {
                  gL10nData = dict.locales[lang];
                  break;
                } else if (anyCaseLang === defaultLocale) {
                  gL10nData = dict.locales[defaultLocale];
                }
              }
            }
            callback();
          } else {
            console.log('no resource to load, early way out');
          }
          fireL10nReadyEvent(lang);
          gReadyState = 'complete';
          return;
        }
        let onResourceLoaded = null;
        let gResourceCount = 0;
        onResourceLoaded = function onResourceLoaded() {
          gResourceCount++;
          if (gResourceCount >= langCount) {
            callback();
            fireL10nReadyEvent(lang);
            gReadyState = 'complete';
          }
        };
        function L10nResourceLink(link) {
          let href = link.href;
          this.load = function (lang, callback) {
            parseResource(href, lang, callback, function () {
              console.warn(href + ' not found.');
              console.warn('"' + lang + '" resource not found');
              gLanguage = '';
              callback();
            });
          };
        }
        for (let i = 0; i < langCount; i++) {
          let resource = new L10nResourceLink(langLinks[i]);
          resource.load(lang, onResourceLoaded);
        }
      }
      function clear() {
        gL10nData = {};
        gTextData = '';
        gLanguage = '';
      }
      function getPluralRules(lang) {
        let locales2rules = {
          'af': 3,
          'ak': 4,
          'am': 4,
          'ar': 1,
          'asa': 3,
          'az': 0,
          'be': 11,
          'bem': 3,
          'bez': 3,
          'bg': 3,
          'bh': 4,
          'bm': 0,
          'bn': 3,
          'bo': 0,
          'br': 20,
          'brx': 3,
          'bs': 11,
          'ca': 3,
          'cgg': 3,
          'chr': 3,
          'cs': 12,
          'cy': 17,
          'da': 3,
          'de': 3,
          'dv': 3,
          'dz': 0,
          'ee': 3,
          'el': 3,
          'en': 3,
          'eo': 3,
          'es': 3,
          'et': 3,
          'eu': 3,
          'fa': 0,
          'ff': 5,
          'fi': 3,
          'fil': 4,
          'fo': 3,
          'fr': 5,
          'fur': 3,
          'fy': 3,
          'ga': 8,
          'gd': 24,
          'gl': 3,
          'gsw': 3,
          'gu': 3,
          'guw': 4,
          'gv': 23,
          'ha': 3,
          'haw': 3,
          'he': 2,
          'hi': 4,
          'hr': 11,
          'hu': 0,
          'id': 0,
          'ig': 0,
          'ii': 0,
          'is': 3,
          'it': 3,
          'iu': 7,
          'ja': 0,
          'jmc': 3,
          'jv': 0,
          'ka': 0,
          'kab': 5,
          'kaj': 3,
          'kcg': 3,
          'kde': 0,
          'kea': 0,
          'kk': 3,
          'kl': 3,
          'km': 0,
          'kn': 0,
          'ko': 0,
          'ksb': 3,
          'ksh': 21,
          'ku': 3,
          'kw': 7,
          'lag': 18,
          'lb': 3,
          'lg': 3,
          'ln': 4,
          'lo': 0,
          'lt': 10,
          'lv': 6,
          'mas': 3,
          'mg': 4,
          'mk': 16,
          'ml': 3,
          'mn': 3,
          'mo': 9,
          'mr': 3,
          'ms': 0,
          'mt': 15,
          'my': 0,
          'nah': 3,
          'naq': 7,
          'nb': 3,
          'nd': 3,
          'ne': 3,
          'nl': 3,
          'nn': 3,
          'no': 3,
          'nr': 3,
          'nso': 4,
          'ny': 3,
          'nyn': 3,
          'om': 3,
          'or': 3,
          'pa': 3,
          'pap': 3,
          'pl': 13,
          'ps': 3,
          'pt': 3,
          'rm': 3,
          'ro': 9,
          'rof': 3,
          'ru': 11,
          'rwk': 3,
          'sah': 0,
          'saq': 3,
          'se': 7,
          'seh': 3,
          'ses': 0,
          'sg': 0,
          'sh': 11,
          'shi': 19,
          'sk': 12,
          'sl': 14,
          'sma': 7,
          'smi': 7,
          'smj': 7,
          'smn': 7,
          'sms': 7,
          'sn': 3,
          'so': 3,
          'sq': 3,
          'sr': 11,
          'ss': 3,
          'ssy': 3,
          'st': 3,
          'sv': 3,
          'sw': 3,
          'syr': 3,
          'ta': 3,
          'te': 3,
          'teo': 3,
          'th': 0,
          'ti': 4,
          'tig': 3,
          'tk': 3,
          'tl': 4,
          'tn': 3,
          'to': 0,
          'tr': 0,
          'ts': 3,
          'tzm': 22,
          'uk': 11,
          'ur': 3,
          've': 3,
          'vi': 0,
          'vun': 3,
          'wa': 4,
          'wae': 3,
          'wo': 0,
          'xh': 3,
          'xog': 3,
          'yo': 0,
          'zh': 0,
          'zu': 3,
        };
        function isIn(n, list) {
          return list.indexOf(n) !== -1;
        }
        function isBetween(n, start, end) {
          return start <= n && n <= end;
        }
        let pluralRules = {
          '0': function _(n) {
            return 'other';
          },
          '1': function _(n) {
            if (isBetween(n % 100, 3, 10)) return 'few';
            if (n === 0) return 'zero';
            if (isBetween(n % 100, 11, 99)) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '2': function _(n) {
            if (n !== 0 && n % 10 === 0) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '3': function _(n) {
            if (n == 1) return 'one';
            return 'other';
          },
          '4': function _(n) {
            if (isBetween(n, 0, 1)) return 'one';
            return 'other';
          },
          '5': function _(n) {
            if (isBetween(n, 0, 2) && n != 2) return 'one';
            return 'other';
          },
          '6': function _(n) {
            if (n === 0) return 'zero';
            if (n % 10 == 1 && n % 100 != 11) return 'one';
            return 'other';
          },
          '7': function _(n) {
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '8': function _(n) {
            if (isBetween(n, 3, 6)) return 'few';
            if (isBetween(n, 7, 10)) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '9': function _(n) {
            if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
            if (n == 1) return 'one';
            return 'other';
          },
          '10': function _(n) {
            if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
            if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
            return 'other';
          },
          '11': function _(n) {
            if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
            if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
            if (n % 10 == 1 && n % 100 != 11) return 'one';
            return 'other';
          },
          '12': function _(n) {
            if (isBetween(n, 2, 4)) return 'few';
            if (n == 1) return 'one';
            return 'other';
          },
          '13': function _(n) {
            if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
            if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
            if (n == 1) return 'one';
            return 'other';
          },
          '14': function _(n) {
            if (isBetween(n % 100, 3, 4)) return 'few';
            if (n % 100 == 2) return 'two';
            if (n % 100 == 1) return 'one';
            return 'other';
          },
          '15': function _(n) {
            if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
            if (isBetween(n % 100, 11, 19)) return 'many';
            if (n == 1) return 'one';
            return 'other';
          },
          '16': function _(n) {
            if (n % 10 == 1 && n != 11) return 'one';
            return 'other';
          },
          '17': function _(n) {
            if (n == 3) return 'few';
            if (n === 0) return 'zero';
            if (n == 6) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '18': function _(n) {
            if (n === 0) return 'zero';
            if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
            return 'other';
          },
          '19': function _(n) {
            if (isBetween(n, 2, 10)) return 'few';
            if (isBetween(n, 0, 1)) return 'one';
            return 'other';
          },
          '20': function _(n) {
            if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
            if (n % 1000000 === 0 && n !== 0) return 'many';
            if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92,])) return 'two';
            if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91,])) return 'one';
            return 'other';
          },
          '21': function _(n) {
            if (n === 0) return 'zero';
            if (n == 1) return 'one';
            return 'other';
          },
          '22': function _(n) {
            if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
            return 'other';
          },
          '23': function _(n) {
            if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
            return 'other';
          },
          '24': function _(n) {
            if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
            if (isIn(n, [2, 12,])) return 'two';
            if (isIn(n, [1, 11,])) return 'one';
            return 'other';
          },
        };
        let index = locales2rules[lang.replace(/-.*$/, '')];
        if (!(index in pluralRules)) {
          console.warn('plural form unknown for [' + lang + ']');
          return function () {
            return 'other';
          };
        }
        return pluralRules[index];
      }
      gMacros.plural = function (str, param, key, prop) {
        let n = parseFloat(param);
        if (isNaN(n)) return str;
        if (prop != gTextProp) return str;
        if (!gMacros._pluralRules) {
          gMacros._pluralRules = getPluralRules(gLanguage);
        }
        let index = '[' + gMacros._pluralRules(n) + ']';
        if (n === 0 && key + '[zero]' in gL10nData) {
          str = gL10nData[key + '[zero]'][prop];
        } else if (n == 1 && key + '[one]' in gL10nData) {
          str = gL10nData[key + '[one]'][prop];
        } else if (n == 2 && key + '[two]' in gL10nData) {
          str = gL10nData[key + '[two]'][prop];
        } else if (key + index in gL10nData) {
          str = gL10nData[key + index][prop];
        } else if (key + '[other]' in gL10nData) {
          str = gL10nData[key + '[other]'][prop];
        }
        return str;
      };
      function getL10nData(key, args, fallback) {
        let data = gL10nData[key];
        if (!data) {
          console.warn('#' + key + ' is undefined.');
          if (!fallback) {
            return null;
          }
          data = fallback;
        }
        let rv = {};
        for (let prop in data) {
          let str = data[prop];
          str = substIndexes(str, args, key, prop);
          str = substArguments(str, args, key);
          rv[prop] = str;
        }
        return rv;
      }
      function substIndexes(str, args, key, prop) {
        let reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
        let reMatch = reIndex.exec(str);
        if (!reMatch || !reMatch.length) return str;
        let macroName = reMatch[1];
        let paramName = reMatch[2];
        let param;
        if (args && paramName in args) {
          param = args[paramName];
        } else if (paramName in gL10nData) {
          param = gL10nData[paramName];
        }
        if (macroName in gMacros) {
          let macro = gMacros[macroName];
          str = macro(str, param, key, prop);
        }
        return str;
      }
      function substArguments(str, args, key) {
        let reArgs = /\{\{\s*(.+?)\s*\}\}/g;
        return str.replace(reArgs, function (matched_text, arg) {
          if (args && arg in args) {
            return args[arg];
          }
          if (arg in gL10nData) {
            return gL10nData[arg];
          }
          console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
          return matched_text;
        });
      }
      function translateElement(element) {
        let l10n = getL10nAttributes(element);
        if (!l10n.id) return;
        let data = getL10nData(l10n.id, l10n.args);
        if (!data) {
          console.warn('#' + l10n.id + ' is undefined.');
          return;
        }
        if (data[gTextProp]) {
          if (getChildElementCount(element) === 0) {
            element[gTextProp] = data[gTextProp];
          } else {
            let children = element.childNodes;
            let found = false;
            for (let i = 0, l = children.length; i < l; i++) {
              if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
                if (found) {
                  children[i].nodeValue = '';
                } else {
                  children[i].nodeValue = data[gTextProp];
                  found = true;
                }
              }
            }
            if (!found) {
              let textNode = document.createTextNode(data[gTextProp]);
              element.insertBefore(textNode, element.firstChild);
            }
          }
          delete data[gTextProp];
        }
        for (let k in data) {
          element[k] = data[k];
        }
      }
      function getChildElementCount(element) {
        if (element.children) {
          return element.children.length;
        }
        if (typeof element.childElementCount !== 'undefined') {
          return element.childElementCount;
        }
        let count = 0;
        for (let i = 0; i < element.childNodes.length; i++) {
          count += element.nodeType === 1 ? 1 : 0;
        }
        return count;
      }
      function translateFragment(element) {
        element = element || document.documentElement;
        let children = getTranslatableChildren(element);
        let elementCount = children.length;
        for (let i = 0; i < elementCount; i++) {
          translateElement(children[i]);
        }
        translateElement(element);
      }
      return {
        get: function get(key, args, fallbackString) {
          let index = key.lastIndexOf('.');
          let prop = gTextProp;
          if (index > 0) {
            prop = key.substring(index + 1);
            key = key.substring(0, index);
          }
          let fallback;
          if (fallbackString) {
            fallback = {};
            fallback[prop] = fallbackString;
          }
          let data = getL10nData(key, args, fallback);
          if (data && prop in data) {
            return data[prop];
          }
          return '{{' + key + '}}';
        },
        getData: function getData() {
          return gL10nData;
        },
        getText: function getText() {
          return gTextData;
        },
        getLanguage: function getLanguage() {
          return gLanguage;
        },
        setLanguage: function setLanguage(lang, callback) {
          loadLocale(lang, function () {
            if (callback) callback();
          });
        },
        getDirection: function getDirection() {
          let rtlList = ['ar', 'he', 'fa', 'ps', 'ur',];
          let shortCode = gLanguage.split('-', 1)[0];
          return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
        },
        translate: translateFragment,
        getReadyState: function getReadyState() {
          return gReadyState;
        },
        ready: function ready(callback) {
          if (!callback) {
            return;
          } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
            window.setTimeout(function () {
              callback();
            });
          } else if (document.addEventListener) {
            document.addEventListener('localized', function once() {
              document.removeEventListener('localized', once);
              callback();
            });
          }
        },
      };
    }(window, document);

    /***/ }),
  /* 43 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";

    Object.defineProperty(exports, "__esModule", {
      value: true,
    });
    exports.PDFPrintService = undefined;

    let _ui_utils = __webpack_require__(6);

    let _app = __webpack_require__(1);

    let _pdfjsLib = __webpack_require__(7);

    let activeService = null;
    let overlayManager = null;
    function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
      let scratchCanvas = activeService.scratchCanvas;
      let PRINT_RESOLUTION = 150;
      let PRINT_UNITS = PRINT_RESOLUTION / 72.0;
      scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
      scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
      let width = Math.floor(size.width * _ui_utils.CSS_UNITS) + 'px';
      let height = Math.floor(size.height * _ui_utils.CSS_UNITS) + 'px';
      let ctx = scratchCanvas.getContext('2d');
      ctx.save();
      ctx.fillStyle = 'rgb(255, 255, 255)';
      ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
      ctx.restore();
      return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
        let renderContext = {
          canvasContext: ctx,
          transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0,],
          viewport: pdfPage.getViewport(1, size.rotation),
          intent: 'print',
        };
        return pdfPage.render(renderContext).promise;
      }).then(function () {
        return {
          width: width,
          height: height,
        };
      });
    }
    function PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
      this.pdfDocument = pdfDocument;
      this.pagesOverview = pagesOverview;
      this.printContainer = printContainer;
      this.l10n = l10n || _ui_utils.NullL10n;
      this.disableCreateObjectURL = pdfDocument.loadingParams['disableCreateObjectURL'];
      this.currentPage = -1;
      this.scratchCanvas = document.createElement('canvas');
    }
    PDFPrintService.prototype = {
      layout: function layout() {
        this.throwIfInactive();
        let body = document.querySelector('body');
        body.setAttribute('data-pdfjsprinting', true);
        let hasEqualPageSizes = this.pagesOverview.every(function (size) {
          return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
        }, this);
        if (!hasEqualPageSizes) {
          console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
        }
        this.pageStyleSheet = document.createElement('style');
        let pageSize = this.pagesOverview[0];
        this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
        body.appendChild(this.pageStyleSheet);
      },
      destroy: function destroy() {
        if (activeService !== this) {
          return;
        }
        this.printContainer.textContent = '';
        if (this.pageStyleSheet) {
          this.pageStyleSheet.remove();
          this.pageStyleSheet = null;
        }
        this.scratchCanvas.width = this.scratchCanvas.height = 0;
        this.scratchCanvas = null;
        activeService = null;
        ensureOverlay().then(function () {
          if (overlayManager.active !== 'printServiceOverlay') {
            return;
          }
          overlayManager.close('printServiceOverlay');
        });
      },
      renderPages: function renderPages() {
        let _this = this;

        let pageCount = this.pagesOverview.length;
        let renderNextPage = function renderNextPage(resolve, reject) {
          _this.throwIfInactive();
          if (++_this.currentPage >= pageCount) {
            renderProgress(pageCount, pageCount, _this.l10n);
            resolve();
            return;
          }
          let index = _this.currentPage;
          renderProgress(index, pageCount, _this.l10n);
          renderPage(_this, _this.pdfDocument, index + 1, _this.pagesOverview[index]).then(_this.useRenderedPage.bind(_this)).then(function () {
            renderNextPage(resolve, reject);
          }, reject);
        };
        return new Promise(renderNextPage);
      },
      useRenderedPage: function useRenderedPage(printItem) {
        this.throwIfInactive();
        let img = document.createElement('img');
        img.style.width = printItem.width;
        img.style.height = printItem.height;
        let scratchCanvas = this.scratchCanvas;
        if ('toBlob' in scratchCanvas && !this.disableCreateObjectURL) {
          scratchCanvas.toBlob(function (blob) {
            img.src = _pdfjsLib.URL.createObjectURL(blob);
          });
        } else {
          img.src = scratchCanvas.toDataURL();
        }
        let wrapper = document.createElement('div');
        wrapper.appendChild(img);
        this.printContainer.appendChild(wrapper);
        return new Promise(function (resolve, reject) {
          img.onload = resolve;
          img.onerror = reject;
        });
      },
      performPrint: function performPrint() {
        let _this2 = this;

        this.throwIfInactive();
        return new Promise(function (resolve) {
          setTimeout(function () {
            if (!_this2.active) {
              resolve();
              return;
            }
            if(!!window.ActiveXObject || "ActiveXObject" in window) {
              document.body.className += ' ext-ie';
              document.execCommand('print', false, null);
            } else {
              print.call(window);
            }
            setTimeout(resolve, 20);
          }, 0);
        });
      },

      get active() {
        return this === activeService;
      },
      throwIfInactive: function throwIfInactive() {
        if (!this.active) {
          throw new Error('This print request was cancelled or completed.');
        }
      },
    };
    var print = window.print;
    window.print = function print() {
      if (activeService) {
        console.warn('Ignored window.print() because of a pending print job.');
        return;
      }
      ensureOverlay().then(function () {
        if (activeService) {
          overlayManager.open('printServiceOverlay');
        }
      });
      try {
        dispatchEvent('beforeprint');
      } finally {
        if (!activeService) {
          console.error('Expected print service to be initialized.');
          ensureOverlay().then(function () {
            if (overlayManager.active === 'printServiceOverlay') {
              overlayManager.close('printServiceOverlay');
            }
          });
          return;
        }
        let activeServiceOnEntry = activeService;
        activeService.renderPages().then(function () {
          return activeServiceOnEntry.performPrint();
        }).catch(function () {}).then(function () {
          if (activeServiceOnEntry.active) {
            abort();
          }
        });
      }
    };
    function dispatchEvent(eventType) {
      let event = document.createEvent('CustomEvent');
      event.initCustomEvent(eventType, false, false, 'custom');
      window.dispatchEvent(event);
    }
    function abort() {
      if (activeService) {
        activeService.destroy();
        dispatchEvent('afterprint');
      }
    }
    function renderProgress(index, total, l10n) {
      let progressContainer = document.getElementById('printServiceOverlay');
      let progress = Math.round(100 * index / total);
      let progressBar = progressContainer.querySelector('progress');
      let progressPerc = progressContainer.querySelector('.relative-progress');
      progressBar.value = progress;
      l10n.get('print_progress_percent', { progress: progress, }, progress + '%').then(function (msg) {
        progressPerc.textContent = msg;
      });
    }
    let hasAttachEvent = !!document.attachEvent;
    window.addEventListener('keydown', function (event) {
      if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
        window.print();
        if (hasAttachEvent) {
          return;
        }
        event.preventDefault();
        if (event.stopImmediatePropagation) {
          event.stopImmediatePropagation();
        } else {
          event.stopPropagation();
        }
        return;
      }
    }, true);
    if (hasAttachEvent) {
      document.attachEvent('onkeydown', function (event) {
        event = event || window.event;
        if (event.keyCode === 80 && event.ctrlKey) {
          event.keyCode = 0;
          return false;
        }
      });
    }
    if ('onbeforeprint' in window) {
      let stopPropagationIfNeeded = function stopPropagationIfNeeded(event) {
        if (event.detail !== 'custom' && event.stopImmediatePropagation) {
          event.stopImmediatePropagation();
        }
      };
      window.addEventListener('beforeprint', stopPropagationIfNeeded);
      window.addEventListener('afterprint', stopPropagationIfNeeded);
    }
    let overlayPromise = void 0;
    function ensureOverlay() {
      if (!overlayPromise) {
        overlayManager = _app.PDFViewerApplication.overlayManager;
        if (!overlayManager) {
          throw new Error('The overlay manager has not yet been initialized.');
        }
        overlayPromise = overlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
        document.getElementById('printCancel').onclick = abort;
      }
      return overlayPromise;
    }
    _app.PDFPrintServiceFactory.instance = {
      supportsPrinting: true,
      createPrintService: function createPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
        if (activeService) {
          throw new Error('The print service is created and active.');
        }
        activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n);
        return activeService;
      },
    };
    exports.PDFPrintService = PDFPrintService;

    /***/ }),
/** ****/ ]);
// # sourceMappingURL=viewer.js.map